[HUMMERcustoms.com/TAZ]

I have had Stainless longneck Dynatech headers for a couple of months and I am very pleased. Could feel the difference immediately. I added flowmaster dual exhaust with 40 series muffler over rear axle cut short up under the body like factory. Unseen and sound is so perfect it is like I had several H2's running and was able to pick the sound I wanted. It was done at a performance exhaust shop not a muffler shop. There is a difference. So pick a perf. shop and trust them they are use to tuning exhaust to hear not to make it quite. Also if they do not get it to sound just like You want and You can explain the difference they can figure what they need to do on Your return visit. That is what happened with mine. First shot they stopped in front of axle and turned down but after driving 1 day I told them the sound was good but getting to much reverb inside the cab and He said then We need to go over the axle. He pulled it in no waiting and the owner of the shop jumped on it and it was perfect after that. Just thought I would share that to ecourage you to look for performance shop. They act and treat You Profesionally. I had considered splitting the dual to come out 1 on each side. Exhaust guy said no problem but by having headers and dual exhaust You really want to get from a to b as quick and straight as You can. Plus if You should later decide to off road You really should have exhaust tucked up where factory is to insure no damage. Made since so both 40 series mufflers are side by side in the factory hole and over the axle in factory space. I feel He really did Me a favor by explaining it and not just say I'm doing it this way. He had done several H2's and on a couple He did as they wanted and they came back with needing repairs by having exhaust to low etc.
Well hope this helps. I'm very pleased with Dynatech!!!

TAZ