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      05-26-2026, 07:26 PM   #4
lookalikehuuh
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Drives: 2006 330i, 2007 335i
Join Date: Sep 2014
Location: San Diego, CA

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That seems like a crazy amount of work to do for not much gain when there are good options out there. I personally have the VRSF high flow catted DPs, and they have worked great for the past 5 years. My car is tuned on E50 pushing 20PSI on stock turbos so kind of pushing the limit of the stockies with my setup.

No smell or anything else like catless DPs do. Fitment was spot on, and they were easy to install.

It could just be me, but HJS doesn't seem to be the end all be all of cats or anything other than fabspeed pushing them like crazy since its apparently they brand they carry. On other forums though people seem to be mixed about them.
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