Has anyone tried the new High flow Metalic substrate converter from Power Cat. They look like they would be a real nice option for the guys that want to quiet there car down a little and still have great exhaust flow.
yo
- Thread starter grnenvy
- Start date
They work great! Don't seem to inhibit exhaust flow at 500rwhp by more than couple of HP.. now how about some pics of your new tires 
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