MBRP GMS9423 4 Inch T409 Stainless Regular Cab Adapter Exhaust Pipe | 06-07 GM 6.6L Duramax 2500HD / 3500HD

Some folks are just not satisfied with the usual. They have to always be pushing the limits; refining and adjustments; until they have the truck that has no limits. We have put together some components that will take your truck to the next lever.