Quote:
Originally Posted by sircrusee
A part of how I may be able to justify the price is if I wouldn't have to buy a tune
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A catted Downpipe that will not throw CEL is an expensive proposition, but that being said it will keep you on the right side of the law regarding emissions tests should you need to do so. I have the Active Autowerks catted version which is guaranteed to not shoot CEL and is the only one I know of that is EPA certified. Nice product and they stand behind the warranty of no CEL.
Now should you add such a pipe and have intentions of a tune then get rid of the factory charge pipe and increase your intercooler size. If your 435 is an F33 then feel free to contact me regarding the unique nature of an F33.