High flow cat to test pipe.

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Mar 31, 2005 | 09:11 PM

LateSleeper

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From: Midwest

High flow cat to test pipe.

I currently have a 3" high flow cat with my turbo back exhaust. Would a 3" test pipe thow off a tune? I did a search and found nothing. Thanks in advance for any help.

Mar 31, 2005 | 09:13 PM

johny719

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is ur car tuned to the High Flow? or did u not tune it yet? the turbo back shouldn't throw off the tune... it will make your mpg go a bit lower...

Mar 31, 2005 | 09:18 PM

Iceman2011

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From: Schaumburg IL

The test pipe will flow more air out hence it will throw it a little but not enough to make you feel a difference, it will just run a little richer and alot louder