X-Pipe / Res Del questions
02-27-2014, 09:16 PM
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E92 335i / C63 AMG / GSX-R 600
X-Pipe / Res Del questions
what does the x pipe do exactly ? Does it replace the secondary cats? does it trigger CEL ?
If not, how do you remove secondary cats? Does it affect emission test or throw CEL?
Res delete, does something need to be purchased? or is this a custom thing at the exhaust shop?
If not, how do you remove secondary cats? Does it affect emission test or throw CEL?
Res delete, does something need to be purchased? or is this a custom thing at the exhaust shop?
