Helix Up and Downpipe w/ cat back

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Nov 11, 2003 | 12:23 AM

playa2dafull3zt

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Helix Up and Downpipe w/ cat back

does anyone have a helix up and downpipe with a cat back exhaust on their car? if so, have you put it on a dyno? do you know the HP gains? thanks
-Kevin

Nov 11, 2003 | 12:43 AM

my2003wrx

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From: Stuck At Work

gains should be around 30 at the wheels.

:banana:

Nov 11, 2003 | 12:55 AM

Daredevil

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From: at the track

i've got helix up and down pipe with apexi exhaust and cobb stage 2 reflash
i haev yet to go on a dyno, therefore this post is useless

Nov 11, 2003 | 12:15 PM

playa2dafull3zt

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thanks for the replies
-Kevin

Nov 11, 2003 | 01:43 PM

dan avoN7

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From: Danville, CA

Car Info: Black 03 WRX, White 04 E46 M3

Quote:

Originally posted by Daredevil
i've got helix up and down pipe with apexi exhaust and cobb stage 2 reflash
i haev yet to go on a dyno, therefore this post is useless

as are the rest of your posts