09leggy Posted June 28, 2023 Share Posted June 28, 2023 Hey guy I have a 05 gt with two bad cats. I was looking to do a single catted DP. Can I get away with running this with out a tune? I’m sure it will throw a cel…. Is there a o2 sensor mod I can do so the car runs normal with the single carted Dp? Thanks guys Link to comment Share on other sites More sharing options...
AWDFTW Posted June 29, 2023 Share Posted June 29, 2023 No. 1 Link to comment Share on other sites More sharing options...
silverton Posted June 29, 2023 Share Posted June 29, 2023 ^^^ No. You risk damaging your engine if you do any kind of exhaust modifications without a tune. Link to comment Share on other sites More sharing options...
SoobyDoobyDoo Posted June 30, 2023 Share Posted June 30, 2023 On 6/28/2023 at 12:26 AM, 09leggy said: Hey guy I have a 05 gt with two bad cats. I was looking to do a single catted DP. Can I get away with running this with out a tune? I’m sure it will throw a cel…. Is there a o2 sensor mod I can do so the car runs normal with the single carted Dp? Thanks guys Are you talking about the cat in the uppipe? Look up resistor mod. Aftermarket Downpipe requires a tune, no exceptions, unless you’re looking for trouble with your motor. Link to comment Share on other sites More sharing options...
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