Hey all,
I had headers and off-road midpipe installed on my car, then dyno tuned. The family complains that they smell like gas every time we go for a ride or drive with the window down so I am looking to add the Kooks catted midpipe. The question I have is do I need to modify the tune to account for adding cats back into the exhaust flow?
Thanks for the input.
I personally probably wouldn't change a thing. It might kill a few horsepower but that's about it on high flow cats.
2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.
If you don't post your tune and logs when you have questions you aren't helping yourself.
Yep, just bolt them on and go. Any other mods on the car? If boosted, then may need some tune changes.
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