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- Part Size:2.75" Inlet
- Part #:20-402S
- 2.75" valve inlet (fits intake pipes with a 2.75" outlet diameter)
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AEM Air Bypass Valve Part #20-402S Customer Reviews
11 Customer Reviews
Reviewed by A. K (Jamaica, NY) Reviewed for a 2002 Honda Accord — May 19, 2009 7:00 AM
Auto Anything had a good price especially with no shipping. Took about 4 days from Canada to NY. The Bypass is a simple install. But you do have to cut your Cold air intake. I have a Fujita 2.75 CAI. It fits fine. Just get the right size and cut the tube (use the paper template AEM provides- for the width the bypass will take in the CAI). Clean out the shavings, attach everything, mount everything back. Done. I have not tested the bypass and God willing never will have to. But it provides a little more confidence in rainy weather. Does it affect the driving? Yes. Mostly psychological; confidence in rain and possibility of warmer air seeping in for less hp. (when driving it should not open until the filter is submerged in water). Be safe people use jack stands or ramps when taking the filter off. Don't cut the CAI while still attached to the engine (shavings will get into the engine, you need to clean the pipe out). The bypass itself seems sturdy, but I read reviews saying they don't last long. (I just put it in). I suppose it has to do with placement of the bypass and forces acting on it. I suggest not putting it at a bend or close to one, so it can be flush with the CAI pipe. I hope this is helpful.
Reviewed by Chance N (Starkville, MS) Reviewed for a 2004 Nissan Altima — Jul 22, 2008 9:30 AM
Reviewed by Jeffrey W (Stamford, CT) Reviewed for a 2007 Honda Odyssey — Apr 01, 2008 7:00 PM
I wish they had told me about this when I bought the intake. I incurred additional expense by having to pay the mechanic to do the work twice. Otherwise I'm very happy with the increased performance of the intake and exhaust.
Reviewed by Robert G (Vestavia, AL) Reviewed for a 2000 Honda Civic — May 10, 2007 9:41 PM
I have a lowered honda civic with a full cold air intake so my filter sits about 1.5 inches off the ground. when it rains here you have no choice but to drive through puddles that are at least that deep so the bypass valve prevents my engine from flooding. If you are installing a new intake system the installation of the bypass is just as easy as the gasket would be.