Originally Posted by SteveOalpine
Also any dyno results on the cat back system? Just curious to see what its producing. I ordered the Hennessey cai tonight and want to pair it up with a nice exhaust system.
Catbacks prove to show little if any gain of hp. Get the catback that provides the best sound you like.
Getting the long tube headers are a different story. The stock headers bottle the air. And with a tune for it, you can gain up to 40 hp.