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I recently switched out the cat with 421 headers. Are those headers the same length as where the cat would be. So can i order a cat back exhaust system and just bolt it onto the headers?
 

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if long tube, you will have to run a new flex. bosal is a good flex pipe to use.

you can use old flex but it will bottleneck.

SFX performance has them pretty cheap. i got one.

but anyways, it goes Headers, Flex, then catback


goodluck!

-Joe
 
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