Will I lean out with dp and hi- flow cat?

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Nov 14, 2001 | 01:35 PM

BK480

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Joined: May 2001

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From: Sharpsburg,GA,

Will I lean out with dp and hi- flow cat?

Just curious if I am going to have to change my comp. Thanks for the help.

Nov 14, 2001 | 01:55 PM

weaklink

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Joined: Apr 2001

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From: Cockaigne

I ran for several months with a DP, catback, hiflow cat, and the stock airbox with a K&N with no problems. Drove it hard too, but YMMV. Everyone here told me I was gonna pop so I got a PFC.

Nov 14, 2001 | 02:30 PM

Trexthe3rd

Rotary Enthusiast

Joined: Mar 2001

Posts: 1,283

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From: ATL, GA U.S.

That really depends on what else you have done to the car. If you don't have anything else, you are o.k.
General rule is if you do more than 3 modes directly related to the intake and exhaust then you will need a re-pro or programmable ecu.