2004.5-2010 GM 6.6L LLY LBZ LMM Duramax Stainless Down Pipe
Replace that restrictive factory downpipe with a stainless direct replacement downpipe for more flow, fuel economy, and better performance.
While the search for more power for your LLY LBZ LMM Duramax powered vehicle usually leads you down the path of exhaust, intake and tuner, one item that is often overlooked is the factory restrictive turbo direct pipe.
- Wrapped with titanium woven heat wrap with stainless steel clamps.
- 3" Mandrel-Bent.
- Reduce Exhaust gas temperatures.
- gain up to 25HP!!
- Increase fuel mileage.