question about performance product

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11-08-2008 | 12:04 AM

joker905

Thread Starter

Newbie

Joined: Sep 2008

Posts: 9

question about performance product

Will a Magnaflow catback/muffler change the air fuel ratio to a car. I have a 98 z28.

11-08-2008 | 01:09 AM

02StanGT

Overdrive Member

Joined: Sep 2005

Posts: 4,053

From: Granbury, TX

RE: question about performance product

No. Your O2 sensors maintain the AFR.

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