Will an O2 downpipe make the car louder?

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Feb 15, 2010 | 12:23 AM

#16

jackygor

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From: VANCOUVER BC

Quote:

Originally Posted by Rands

Ah okay I see, heh I liked the look of the single exit better so went with the 90R. I'm kinda starting to think I got a leak somewhere, cuz I kinda gunned it and it said I only hit about 18 lbs of boost. I'll have to check it out sometime this week.

Do you have random backfires? that is also a sign.

Feb 15, 2010 | 09:52 AM

#17

Rands

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Joined: Jul 2008

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From: Calgary, Alberta, Canada

Quote:

Originally Posted by jackygor

Do you have random backfires? that is also a sign.

Hmm.. random back fires eh? I never really noticed that, but I'll keep an ear out for that though. I noticed the back fires usually happen when I'm easing off the gas, which I think is normal. I did notice that when I gun it after 4000 RPM, the exhaust noise gets even louder. I noticed that on previous cars that the engine noise usually cuts out the exhaust noise.