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Old 11-23-2007, 01:22 AM   #43
Defiant Autospeed
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Member#: 155450
Join Date: Jul 2007
Location: Austin/Beverly 2 of us now!
Vehicle:
2007 FXT
WRB

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Quote:
Originally Posted by Perrin View Post
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!

ADam@perrinperformance.com

Get that dyno sheet and make a thread about it. I guarantee there are a lot of people that will be interested in finding this out.
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