When i first put the exhaust on my truck i was told by several people that you had to have flowmasters 50 series H.D. for your hemi to run correctly. Well thats bull. That was 7-8 months ago and just two weeks ago i decided i wanted a free-er flowing exhaust because i want more performance. Hmm, exhaust, great place to start. So i put an X-Pipe on and some single chambered flowdaddys on there. Anything other than the HD muffler is supposed to reduce backpressure. Which is true in a sense but this would result in loss in power and MPG. And it's doing WAY better in both areas now. Now i have an extremely deep sounding exhaust and a little more torque. So...... don't believe the lies.........

 

Well, I don't know about needing the muffler to run properly. I just got it (for x-mas) because I wanted a nice sounding exhaust and something a little more free than the factory setup. I figured I'd just get a catback for now. Later, after the warranty expires, then I'm getting the whole package, headers and dual exhaust all the way back.

 

where did you get your hedman long tubes slick hemi?