High flow cat
Joined: Apr 2010
Posts: 12,607
From: Mentor, Ohio
Magnaflow 23405 Direct Fit Bolt on High Flow Catalytic Converter OBDII | eBay
I just installed the ZZP downpie with high flow cat and u bend delete. Its all stainless and a perfect fit. I felt a noticeable difference in acceleration. They make a nice piece.











