MUFFLER recommendations?

[8500lbs]

I am not claiming that Predator Motorsports does what they claim or that I stand by what they do, I myself do not have the ECM nor do I know anyone who does. As far as the Dyno Read outs the reason why they are all the same on different packages is because it says it is the same dyno sheet. That readout only shows the performance from doing just the ECM. There might be different ways to fool a dyno but I dont have any expierence with them. I would like to try the ECM they offer mainly because I do not like the Superchips Programmer I have and would love more power with out going forced induction. Many people have said get it tuned from a ocal shop but i do not trust any local shops. on top of that they will see a Hummer and try to charge out my butt. Just my .02

Thanks
B

Originally Posted by Humdingah

I'd question the 64hp and 79 lb.-ft. gains with a CPU change...nothing done there that you can't do with tuning and I doubt there's that much power left on the table from the stck tune. Lots of ways to fool a dyno when doing back-to-back pulls...

I just went to their website and, ironically, every 'power package' they show has the same acceleration graph comparison. No dyno numbers, no comparisons, nothing. I notice they caveat everything with "up to xx more horsepower." Their Stage 3, with a claimed 122hp, is getting into serious cam swap territory from just an exhaust and air filter with tuning. I'd call bull**** on their claims...