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Discussion Starter #1
My R33 GTR has a primary and secondary muffler as shown in the pic below. Is there a bypass pipe I can fit to chop out the first muffler or do I need a full cat-back exhaust to replace? I want louder and I presume that the first muffler is a big noise restricter.

 

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Discussion Starter #4
Your cheeky comment got me into rust fun yesterday. The various suspension bits are a longer job but at least sorted the boot floor both inside and out. Rust removing and rust proofing isn't as much fun as a new exhaust though. And it's a lot of effort to do it right. Satisfying though.

 
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