Quote:
Originally Posted by M5C_Uber_Alles
Quote:
Originally Posted by Maverik259
Have you tried just removing 2nd cats and resonators and add x pipe? Hell of a lot cheaper, reversible, and retain use of flaps. Everyone who's done it loves it. Just a thought.
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Oh and another question, if I delete the 2nd cats, will it throw codes at me I’ll have to map out? |
Haha ya they always do that. No exhaust will cause damage to your car. It's a passive system. Maybe if they damaged your valves during install etc would there be a claim they could deny. Or if a mount point failed etc.
And no, second cats don't have any sensors. It shouldn't even be an issue with smog but I've never had one personally done as Im registered in a red blooded American state. 😆
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold)
‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe
'14 X5 50i (wife’s now)