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Thread: Exhaust size - Opinions 2.5" or 3"

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Posts: 21-24 of 24
2008-03-21 16:55:43
ok so what exhaust set up u have now.... no res. ..no cat...ssac.....3"......???
2008-03-21 17:09:59
no cat, no resonator, just 3" test pipe from japan miko give me, has some sound deadening inside, not just a str8 test pipe
3" piping into a big circular Magnaflow muffler. I believe its 7" or 8" diameter. I now have CEL from no cat.

It sounds mean, sounds way better than my cousins 3" wide canister muffler det. No raspiness what so ever.
2008-03-21 17:13:15
I never posted pictures yet, but do I have to have them hosted in order to post them? I'll post a pic next time I have it on jacks
2008-03-21 18:29:17
Anyone have any opinions on how altitude will affect the choice of 2.5" or 3" on a NA ve?

Last time I approached an exhaust shop and asked for a 3" they wanted to know if it's turbo? I said no. They asked if it's a V8??

Same thing when I give them popular VE heade specs to build custom headers. THey reckon according to their header programmes the sizes are aboutright for a 3.5 litre motor...
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