[powertrip]

Originally Posted by rod1

Any dyno's of just the x-pipe with HFCs? All I can find is dynos for the full system.

Thanks

PM Raz and he can get one for you. I saw a dyno of a stock M3 with just their axle-back and it was @ 324whp. That same car after their catless x-pipe was @ 354. Catless exhausts make TONS of power on these cars....too bad I had to go catted .