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ElantraClub - For Elantra Owners and Enthusiasts _ Power Zone _ cat delete?

Posted by: Bobzilla Aug 14 2012, 08:45 AM

Agreed. Even deleting the cat and replacing with a header (singular, we only have one, not multiple headers) you can expect to gain about 2-3hp as has been shown on multiple dyno's over the years. Biggest improvement with the XD chassis in regard to exhaust is the muffler. The exhaust pipe feeding the muffler is ~2" id. The outlet of the muffler is under 1-7/8" ID. Removing the muffler frees up more power than hacking off your cat and dealing with a CEL on for years to come and not being able to pass emissions in your state (if required)

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