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anyone using catless DP and stock exhaust
not sure how you can remove the highly restrictive stock cat and replace it with a catless downpipe and still not feel any difference. something does not add up. makes me think that maybe you already had a catless downpipe on your car and do not know it- Extreme Power House
- Post #13
- Forum: B58 6-Cyl Engine, Exhaust, Drivetrain, Bolt-Ons
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anyone using catless DP and stock exhaust
Dont have exact data but cold start is a lot louder , i'd say 50% easily wide open throttle is also noticeably louder regular driving, is 20% louder you will get a CEL, fuel smell and its raspy i personally prefer the catted option sound and lack of smell- Extreme Power House
- Post #11
- Forum: B58 6-Cyl Engine, Exhaust, Drivetrain, Bolt-Ons
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Valvetronic Exhaust on 2026 models
glad you got it figured out, next time always ask for pictures- Extreme Power House
- Post #10
- Forum: B58 6-Cyl Engine, Exhaust, Drivetrain, Bolt-Ons