Quote:
Originally Posted by Lightened
If anyone is wondering why Perrin exhausts discolor around the muffler canister...
No proper Y pipe diverter inside. Just a large empty void with side walls and exit pipes.
The exhaust gas fumes hit the back wall of the muffler, circulate around in the large empty discolored void and then get forced out the side pipes.
A crude inefficient design that hurts exhaust flow velocity and scavenging effect.
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Interesting…when I had my first gen the Perrin exhaust yielded the best dyno results if I remember correctly.
I’d probably go Perrin on my 2nd gen, but I’d prefer ss tips vs the brushed look.
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