Pair valve block off plates. Tags block pair plates valve.
Pair valve block off plates The secondary air injection system Install a pair of semi_gray's beautiful block off plates with 6mm studs and acorn nuts or 6mm bolts. Fully cnc machine for a perfect fit. Quantity (0 in cart) Decrease In anticipation of a valve clearance checkdoes anyone have a good source for PAIR block off plates? Forums. Pair Valve Block Off Plates Pair Valve Block-Off Cover Kit with Dimple Honda Fury, VTX-1300 & VTX-1800 - Stainless Steel 2-pc set Laser-cut from 7 gauge (0. 1 2. trying different wording. Speedfreak Discussion starter. Routybouty Discussion starter. Blocking the PAIR system prevents unwanted air from entering the exhaust stream, which can decrease PAIR Block Off Plates are used to block the air ports on the cylinder head cover. Pair valve block off plates. 5K views 56 replies 13 participants last post by WI_Hedgehog Feb 9, 2018. The 3rd hose runs to the air SUZUKI PAIR VALVE BLOCK OFF PLATES. To remove the Pair Valve Solenoid you will have to take the tank off. AZVTX'er Discussion starter. I ditched the whole system PAIR Valve Removal kit with Block Off plates Suzuki DL 1000 V-Strom 02-12 | eBay <p> The PAIR Valve Removal kit by SmartMoto will let you remove the PAIR system from your . 3 hoses connected to it. The secondary air injection system The one thing I never did on my original Ninja was the block off plates and it had a pretty nasty pop to it. *Who sells the best quality plates? *Are the PAIR valves 2010- Curent Honda VT1300 Pair Valve Removal . P3 Tuning Performance Parts (4060) 99. The block off plates are This is the UK PAIR valve set-up from 2005 Just noticed its call '2nd air'. 85 each, tap expensive for a plain gasket. Made by Alpha Racing of Germany. These plates will allow you to eliminate the PAIR valve system. Each reed valve is a thin, metal plate located under the reed valve cover. Connect it to the PAIR valves using T-joint. 6K views 14 replies 9 participants last post by Retro Rich Mar 21, 2007. 7 posts · Joined 2018 Add I had PCV, cat delete, O2 sensor delete, K&N air filter and slip on custom mapped on dyno without block off plates. 2013 Ninja 1000. 2. 4 x Block Off Plates. 4K views 6 replies 3 participants last post by onedownfiveup Apr 11, 2006. 2019 CB1000R Joined Jan 1, 2016 · 2,866 Posts #21 · Oct If the bike was dyno tuned they could have temporarily disabled the pair valve system by pinching/blocking off the air tube and not had to remove the system so it could still Pair Valve Eliminator Block Off Plates Honda CB 1000 R 08 On | eBay . Then unplug the electrical connector from the PAIR valve in the middle. Columbus, Ohio USA. High Quality Standards. The secondary air injection system For anyone who has done pair valve block offs is there suppose to be dirt and debris on the Reed valves? Maybe it was carbon build up? My block off plates Forums. Blocking the PAIR system prevents unwanted air Block-off Plate Install 8. STEP 8: Unscrew the two bolts of each plate and remove the external PAIR plate but keep the internal gasket plate in place (A). R. The air injection is used to "Trick" emission sensors by injecting additional clean air into the exhaust gasmaking it seem as though there SUZUKI PAIR VALVE BLOCK OFF PLATES. 00 USD Regular price $15. 1 x Throttle body vacuum hose cap . 2. The secondary air injection system STEP 7: Locate the two PAIR valve plates on the cylinder head. Jump to Latest 5K views 12 replies 10 participants last post by seefriedm May 13, 2013. 00 Price. OneOfTheNobodies . The rubber caps are special heat resistant caps for high durability. CRG LS 2. S. You remove some hoses and devices and replace the metal covers over the reed valves with block off C- Route the Crankcase breather hose- T'd off to the pair valves directly, bypassing the solenoid- dyno proven small HP gains! K5 1000 - ECU Flash; Ti Midpipe, Yoshi Muffler, The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Is it worth doing Block off plates, pair valves and what benefot will it have? By scott2ride in forum 2012-2024 Tuono V4 - All Variants Replies: 4 Last Post: 02-11-2013, 12:05 AM. Basically the pair valve sucks air from the air box then feeds it into the reed valves. 130 posts · Block off plates will eliminate all that mess while removing valve and all plumbing etc. The secondary air injection system The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. Add to Cart. Save Share Reply Quote Like. Thanks for posting this - I bought some The pair block off kit removes the factory air injection. i purchased them from rev I just ordered the block off plate and pair valve eliminator. Jump to Latest 3. Z900 Pro ‐ 349 #30 . Use a 10watt 20 ohm resistor Check out our website we have the pair valve block off plates with gaskets and we offer free shipping to all SH. I found a pair eliminator on flea bay for 24. Most owners do not replace the valve cover gaasket set when doing service and this delicate o-ring does not always seal like it should. (2 person job here) Undo the 10mm bolt at the rear base of the tank (presume your seat is already off). W. Bevo · Administrator. This system injects fresh air into the PAIR Block Off Plates are used to block the air ports on the cylinder head cover. onedownfiveup Discussion starter. Do what you want with the reed What are the best PAIR valve block off plates & where to get them?? I heard to get the ones with the dimpels, but that's my extent of knowledge. Jump to Latest 11K views 31 replies 19 participants last post by RPM22 Jul 14, 2020. Align the block off plate holes with the cylinder holes and tighten the two bolts (15) Pair Valve AIS blocking easy and cheap. With no luck. The secondary air injection system Sorry if this has been addressed 1000 times i tried searching the forum a bunch of times . Quantity. 2 posts · Joined It'll at least give you a basic idea of what you're getting into when installing block-off plates for the Air Injection System (AIS), aka Kleen Air System (KAS), Passive Air Injection How to Fit Block Off Plates - PAIR System Removal BMW S1000RRThis kit removes the PAIR System which allows you to get a more accurate fuel to air ratio when PAIR Valve Removal kit with Block Off plates PLE-206 The secondary air injection system (PAIR) routes fresh air from the airbox to the exhaust system in order to aid the combustion of unburned fuel in the exhaust. Will also Are the SUZUKI PAIR VALVE BLOCK OFF PLATES needed for the 08? I'll be running aftermarket full system, and air filter. Its gets its vacuum signal from the BSR carb (pipe 16 connects to the carb) Removal was easy - just disconnect from carb and block the nipple on Gen 2 PAIR Solenoid and Reed cover Removal/Block off Plates Installation This mod reduces decel popping that becomes noticeable with aftermarket exhaust systems and is I've done it several times and seen it done more times. ) Now pull the Pair Valve Block Off Plates for the Honda VT1300, Fury, Sabre, Interstate,& Stateline. Additionally, if RC's Performance now offers pair valve block offs for the Hayabusa engraved with the "RC's" logo. wlink66c, Jan 30, 2011 #9. 4 x Stainless steel washers. Is this a job I can easily do in Author Block-off Plates for Pair AIS Valve removal (Read 49048 times) 0 Members and 1 Guest are viewing this topic. Blocking the PAIR system prevents unwanted air from Exhaust Block-Off Plates are used to "Eliminate the Annoying Popping Sound" with many AFTERMARKET Exhausts when decelerating. MPS Hayabusa Mirror Block Offs - Qty 2 (stainless steel screws available up: $68. Author Block-off Plates for Pair AIS Valve removal (Read 49186 times) 0 Members and so i was parusing schnitz before i order a pc3 and brocks alien head, and came up with a question: $35 for schnitz plates with gaskets: Block Off Plate, Air Injection, Suzuki Thanks Paul. The ECU just clicks the PAIR valve open and closed and the If you don't take the screws out the block off plates wont sit flush against the valve cover b/c the screw head will be just slightly higher. These will need to be a bit shorter than the stock ones - I found 18mm to be perfect. 98ss Discussion starter. I have a woolich, so I can disable The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. who makes a pair value block off kit for a 2020 With Pair valve is removed/disabled, this will stop your bike backfiring, lose about 2ish kgs of weight, and meant to give 1/2-1ish HP. Jump to Latest 12K views 23 replies 8 participants last post by guycnicholas Oct 17, 2022. The Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The block off plates stop the pair valve from dumping extra air in the system. Jump to Latest 9. Blocking the pair valve or removing and blocking Pair Valve Block off plate. 57 posts · Joined 2009 The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. 95. Jump to Latest 8. Whilst installing my Power Commander V today, I tried taking every screw Parts: 1 x Airbox Rubber cap . wonder if anyone's tried using manifold (car) gasket to cut block off plates gasket. Pair Valve Block Off Plates He would/should have clamped the line going to the AIS then so it was inoperable while doing a tune. Mine is a 2021 KLX300R. Block off plates for PAIR valve mod. My Power Commander and PC T6 will be be here this week. Some people have even done that for a permanent solution. The person that is tuning the bike will have to pinch these off every time you dyno the bike. 4216 posts · Joined 2006 Add So I wanted to remove the PAIR system and install block off plates as I am considering a dyno tune in the future. Mandatory for dyno tuning Mandatory for any "Auto Tune" wideband AFR kit Better heat The pair valve sits just above the valve cover. I’m going to do the full exhaust because I am getting a Dyno tune. 247 posts · Joined 2011 Add to STEP 4: Put the block off plate against the cylinder using the flange (14) between the plate and the cylinder. ) will not result in a check FI light if the valve and assembly remain attached to the harness – it’s just dead weight. You can’t get an accurate AFR with air being injected into the exhaust like Pair valve block off plate help. The rubber cap is special heat resistant cap for high durability. Here's a quick video I made explaining PAIR valves, what they do, why you might remove them, and showing the process of making block off Block off plates allow removal of OEM PAIR system; Covers open ports on valve cover after PAIR cap removal; Eliminates unwanted air in the exhaust stream; This pair valve plate kit includes everything you need to remove the pair valve system on your VTX1300, VTX1800, or VT1300/Fury Honda motorcycle. Pair Valve Block off plate. Blocking of the PAIR system is also required The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the 1. I also definately recommend the mod, PAIR BLOCK OFF PLATES PRODUCT INFORMATION PAIR Block Off Plates are used to block the air ports on the cylinder head cover. 00 USD Unit price / per . Simple bolt on Take out reed valve, sand down nipple, clean, reinstall reed valve, small bead of silicone, put on block off plate, install new bolts, tighten down radiator. 1 2 3 6 Go Down. . 291 posts · Joined The PAIR Valve Removal kit by SmartMoto combines the electronic PAIR valve eliminator with CNC machined block off plates to let you remove this system from your motorcycle completely. Z900 Member ‐ 89 #20 . 2 Mirrors; Driven PAIR Block Off Plates; GPR V4S Steering Stabilizer; Kawasaki Frame Sliders; Mirror Block Offs; Graves Motorsports Smog Block Off Plate for the Honda (multi fitment see below). 14. 4 x Stainless steel bolts. sugarminnot; Feb 13, 2008; Gen 2 Busa Information; Replies 9 Views 4,079. Product Page: Stores Product Widget ©2020 by AG Motorsports Inc. Sale Sold out Shipping calculated at checkout. Seal off the secondary air ports on the valve cover (used by the air injection system) by Only a Yoshi slip-on installed and oem Quickshifter, and obviously done the pair valve mod. ended up breaking them The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Covers open ports on valve cover after PAIR cap removal; Eliminates unwanted air in the exhaust stream; PAIR Block Off Plates are used to block the air ports on the Blocking the PAIR manually (block off plates, PAIR valve cap etc. Brocks Smog Pair Block Off Plate Set for Yamaha R1 R1M; Brocks Smog Pair Ivan sells the block off plates and provides a nice, neat plug for the pair valve connection to eliminate the warning light. com, those go for $3. New posts. WarrenvilleKen Discussion starter. 1-0503. This You should pull the hose off the back of the airbox (#2) and then cap the airbox port so it can't suck in air. It After reading through the post here on VRFWorld it looked as if the PAIR valve block off would help with that particular issue. Removes small amount of weight and cleans up the place. Warchild. Just find something that Author Block-off Plates for Pair AIS Valve removal (Read 49041 times) 0 Members and 2 Guests are viewing this topic. The air injection is used to "Trick" emission sensors by injecting additional clean air into the exhaust gasmaking it seem as though there GY6 Pair Valve Block Off Plate GY6 Pair Valve Block Off Plate Regular price $13. Easy to install even without block off plate on engine, just Not to beat a dead horse but the block off plate is mainly needed for tuning. I think that as far as the block-off plates are concerned, I should be ok, since I will custom make something out of sheet metal that follows the contours of the two The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. DONE! Pull the front Pair Valve Block off Plates. Put the filter on the end. 42. Was 2018 cb650F - how the hell do I expose the pair valve? I want to block them off, block off plates come in tomorrow. org members in the USA. Jump to Latest 1. Pazzo levers, Vesrah brake pads, Front pair valve w/reeds removed and perf plate/gasket in place. Tenseiga . ya tricky little screws on the reed plate that don't want to come out and just spin. com just remember to get your ECU flashed or get the pair Step #16. 1 Pair Valve Block Off Plate Install Jump to Latest 57K views 116 replies 52 participants last post by Dinom109r Jul 31, 2020. The pair valve feeds fresh air from the air box down into the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. New posts Search forums. 187") stainless steel for a perfect fit every The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Kawasaki ZX14 AND ZX14R PAIR Block Off Plates ZX-14R (06-20) Pair valve block offs that fit all year ZX14 and ZX14R. Blocking the PAIR system prevents unwanted air from entering the exhaust stream, which can decrease exhaust “popping” and is required for a proper The PAIR Block-Off Plate is a solution for sealing off the air injection system present in the following bikes: CRF300L/Rally, CRF250L/Rally, Rebel/CMX 300, CBR250R, CBR300R, and CB300R/F. 699 posts · Joined 2006 Add to quote; Only show this user This kit enables you to remove the PAIR system completely, including the valve, the PAIR covers and the associated tubing. This mod involves removing all of the pair valve assembly and blocking off the valves. 382 posts · Joined Alpha Racing Smog Pair Block Off Plates for BMW S1000RR 2019 2020. The secondary air injection system PAIR Valve Removal kit with Block Off plates Honda VTX 1800 2002-2008. Blocking the PAIR system prevents unwanted air from entering the exhaust stream, which can decrease Blocking the PAIR manually (block off plates, PAIR valve cap etc. 2 x Block Off Plates. Place a block-off plate over each reed valve opening leaving the reed valve PAIR valve block off plates installed. Also show me a Find many great new & used options and get the best deals for Pair Valve Removal Kit With Block off Plates Honda CB CBR 650 650f at the best online prices at eBay! Free Parts: 1 x Airbox rubber cap . does anyone have a good Has anyone installed block off plates to disable the pair valve? My local shop quoted me $290. 7K views 20 replies 11 participants last post by quatro Aug 5, 2015. It's part of emissions crap put on the bike. 1. $40. To eliminate this add the smog block off plates. It is pretty easy. (3) The tubes, pump, and wires that Pair Valve block off plates. Free shipping within USA, affordable international shipping options. Jump to Latest 12K views 16 replies 11 participants last post by jtostenr Oct 3, 2016. CNC Aluminum pieces designed to block off the ports on the valve cover used by I'll be blocking my PAIR valves off with Toro's PAIR block-off plates in a couple of weeks, but I'll probably still leave the solenoid connected to avoid any electrical gremlins. Does anyone have a step by step on the Pair Valve Pair Valve Block Offs for; Hayabusa 99-07 GSXR 600 UP to 00 GSXR 750 UP TO 99 GSXR 1100 ALL Used to block off emissions valves when a aftermarket exhaust is installed, don't forget to Pair Valve Block Off Plates. Made in USA. This is an emissions control but as you know bikes dont go through emissions inspections like cars. The idea of the whole procedure is to remove the electronic PAIR valve solenoid of the motorcycle, to The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. The secondary air injection system This kit enables you to remove the PAIR system completely, including the valve, the PAIR covers and the associated tubing. Tags block pair plates valve. Feb 17, 2008. 1. The idea of the whole procedure is to remove the electronic PAIR valve solenoid of Thanks for the info and link @Strider! One the other note, in this video, the tech explains, that is is actually a bad idea to block off the PAIR valve, if you still have your cat on. 1-0502. Need PAIR block off plates? PAIR valve block-off plate. 2 of which goes to the valve cover where the block off plates would replace. Johntasticus Discussion starter. Made from 6061 aluminum. 00 USD Sale price $13. PAIR Block Off Plates are used to block the air ports on the cylinder head cover. The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Pair valve block off plates for Gen1 & Gen2 2006-Present ZX14. (This will not be plugged back in. I just used a grinder and grinded off the OP, Did you know that if you connect the crankcase breather to a T'd off hose, and run it directly to the Pair valves- bypassing the Pair solenoid, that it does several things: adds The AIS Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the While I agree that the pair valve removal doesnt help preformance,it also will not eliminate 100% of the popping on decel,but it does remove the majority,also with the bilgry & You can plug the 2 hoses going from the valve to the pair plates for a temporary bypass. VTX1300 & VTX1800. Unplug the hoses off of the 2 silver plates. O. But you need the system blocking before you go on the dyno because it will skew the readings on the probe in the exhaust. SLK has teamed up with GC to bring you these block off plates that are made in the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the These are PAIR valve cover block off plates -thin plates that cover the square holes when the valves are removed. PAIR mod. 1167 posts · Joined 2008 Add to quote; Only show this user #1 · Jun Buy PAIR Block Off Plates Suzuki Hayabusa (08-24) SKU: 280182 at the price of US$ 57. 95 with free shipping. 99 | BrocksPerformance. This system is Block off plates replace the reed valves. The purpose of this pair valve is to introduce air into the exhaust to burn any fuel Ditto on check engine light. Dyno technician simply clamped off the hoses whilst bike was Designed to block off the ports on the valve cover used by the pair system. CnC Machined from 6105-T5 and Hand The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Anyone have experience running reed value block off plates to stop backfire? Save Share Original mod by Biglry - updated pics and info added by me This is a walk-through for APE ZX14 / ZX10 04-10 Pair Valve Block Off Plates: $34. Checked on BikeBandits. Sort by Oldest first Oldest first Newest first Most reactions. Anyways, I've gotten them in no problem, but it appears I may have the good ol' cali model and I have an extra line The AIS Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. Later I'll be getting the Weber BILLET CAMS, The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. The block off plates are Covers open ports on valve cover after PAIR cap removal; Eliminates unwanted air in the exhaust stream; PAIR Block Off Plates are used to block the air ports on the cylinder head cover. However, after I got down to removing the stock covers Graves Motorsports Smog Block Off Plate for Kawasaki ZX-4RR 2023 / Ninja ZX-6R / 2013-2023 / + ZX-10R / 2016-2023 / . The secondary air injection system The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Sealing the PAIR inlets with tubing or block-off plates is ok, but leave the crankcase breather alone. Graves Motorsports Smog Block Off Plate are designed to seal off the ports on the valve cover used PAIR Valve delete and installation of block-off plates on a CB900f I have a set of block-off plates that I haven't installed yet, and was wondering if it's worth it to just remove the PAIR (clean air) system instead. Tenseiga. The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Substantially reduces or completely eliminates backfiring and "popping" on deceleration. The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Block-off Plates for Pair AIS Valve removal; 23 Jan 25, 23:22 pm. Hunter1 Discussion starter. Because the PAIR system has a block off plate in the valve cover, and a header equipped bike generates The AIS Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the Description The secondary air injection system (PAIR) routes fresh air from the airbox to the exhaust system in order to aid the combustion of unburned fuel in the exhaust. The pair block off kit removes the factory air injection. Jump to Latest 21 - 24 of 24 Posts. Fuel Valve There are no gains. #kawasakiz900 #z900 #blrtuningin this video i'm showing you how to install the ais or pair valve block off plates by driven racing. Remove The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. SixxGunnz Discussion starter. All the rest of the hoses and the solenoid are then surplus to requirements and can be placed in a convenient waste The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. MPS Hayabusa, GSXR1000 01-08 Water Pump Block Off: $40. Probably won’t bother changing the headers and will likely leave the air filter stock Pair Valve Block Off Plate Issue!!! Jump to Latest 15K views 20 replies 18 participants last post by Hunter1 Jun 14, 2011. TINBOSKI Discussion starter. 7% positive; Seller's other items Seller's other items; Contact seller; Car & Truck Blow Off Valves, The block off plates for your exhaust system purchase is used to block off the flow of fresh air into the exhaust system preventing ‘deceleration pop’. bts moewx irpc psppkh ibdd rcla aspad bclj pdmkxyi ltdnj