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Old 11-21-2007, 01:42 PM   #41
Former Vendor
Member#: 6776
Join Date: May 2001
Chapter/Region: NWIC

TRUE! No cat. BUT you can legally replace the OEM catless Up-pipe with a PERRIN version and it works to make more power! We have done it here on our shop cars. There is improvement across the RPM band in both torque and HP. Jeff has some dyno results some place to share here I am sure as well. I believe the gains were 7 trq and 10 HP.

If I can help any clients, just let me know!

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Last edited by PERRIN; 11-21-2007 at 01:49 PM.
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