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Originally Posted by NissanTracker
Looks like those worked. I purchased a spare motordyne Y section and replaced the flex sections with a clamp on high flow cat cells. Idea is that if I move the cats more down stream, they will stop blowing into pieces. If they do, then easy replacement. I put on resonated Fast Intention TP's with Hemholtz resonators like the Motordyne ART's. I am hoping that I can bring down IAT's in WOT (because of back pressure on stock cats) but at the same time keep the exhaust drone/rasp/loudness down so I don't go deaf.
Harness I created was 24".
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Tracker - Thanks for this thread. I’m in MA, too. I currently have Fast Intentions RHFC and 18” Resonated CBE and will be going supercharged later this year. Current plan is to keep the RHFC’s until they die (estimated ~15k miles on them), then would pursue something with cats further back - I just hope I can get a year or two (summers only) out of them without damaging anything. I’d be interested in your (or anyones) experience on volume of RHFC vs ART pipes or similar. I have a Roadster so am already near my, and my quiet neighborhoods, tolerance for volume.