Dont Try

i have an 06 gt manual with a tunable induction system and their 93 oct tune..i changed to am off road h pipe by pypes (NO cats) and mac mufflers...car is running way to rich and check engine light is on as a result...i remeber seeing a guy on here with a tune and mac mufflers and a pypes off road h pipe (NO cats)...i talked to john demolte said i have passed the paramaters of his tune and probably need a dyno tune?? any thoughts? just running very rich now getting about 200 miles to a full tank when i was getting close to 280 miles...smells awful and just solid black suit comes out...looks like a diesel...i know there is a guy out there with the same setup he had video clips and things on here of him he had a bamachips tune home he see's this..thanks oh yeah trouble code is P0430
KC Knodel
Dayton, ohio

FREAKO

did u turn the rear o2s sensors off?

Dont Try

yes