Quote:
Originally Posted by Rob///M5
I'm sorry, but let's be real here...no one has proven gains from any catback aftermarket exhaust. In my opinion, the RPI claim of 20-30HP is completely unsubstantiated. Dave, do you recall the desert races?
Now, as far as noise is concerned, the GTM is unparalleled  |
Yeah but you had the filters out. Lol!
I've been offered a free dyno session down here in SD in a couple of weeks. I guess I'll get to see how much power this puppy is making.
