R32 EXHAUST BAFFLE? - VW Forum :: Volkswagen Forum
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post #1 of 6 (permalink) Old 05-26-2004, 03:36 PM Thread Starter
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R32 EXHAUST BAFFLE?

the exhaust baffle opens at 40mph so is there a correct way in keeping it open at all times and are there any hp gains at all?

my idea was to unhook the vaccum line cap it off and pull the plunger over and some how tie it off not sure if thats the right way or not

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post #2 of 6 (permalink) Old 05-26-2004, 04:45 PM
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Yes there is a mod to had it open all the time HEY JOSH help this brother out!


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post #3 of 6 (permalink) Old 05-26-2004, 07:15 PM
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look in the r32 forum on vortex someone is selling some plastic thing that keeps the valve open.

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post #4 of 6 (permalink) Old 05-27-2004, 12:33 PM
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yeah Josh was telling me about this at tunerwar a while ago. I think he might of said he had the baffle zip-tied open, and capped off the vaccum line. I could be wrong though.
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post #5 of 6 (permalink) Old 05-27-2004, 12:46 PM
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The exhaust valve opens at about 3K RPM. There is a vaccuum hose connected to the valve on the left side of the muffler. Unclip the hose, and screw in a small bolt that will fit tightly into the end of the hose. Tie-wrap it out of the way so it won't flop around. The valve will now remain open. HP gains will be minimal, since there is very little back pressure to begin with.
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post #6 of 6 (permalink) Old 05-31-2004, 09:58 PM
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There are many ways to do this mod, and for the price it is well worth it.
You can completely remove the hose from the valve, and plug it with something, or put a bleeder type valve (fish tank 2-way) in line to allow the vaccum to escape.
There are a few people even working on a in car system that controls the pump actuation electrically, which is how the pump work normally. Keeping the valve open all the time in first and second gear, as well as below 3400-ish rpm, when under 45-ish mph. Dyno testing of this mod have proven 10 hp gains in first and second gear, as well as 10 ft-lb torque gains in lower rpm ranges throughout.

It might be minimal, but for the $1.50 I spent of the valve, well worth it.


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