2505 & 2506 | Direct Fit GM Classis "HD" 6.0L & 8.1L Engines

*Only the 2510 is a direct fit model. 2507 for use with aftermarket pipes.

Priced well under the OEM dealer alternative this 100% aluminized welded construction muffler is a direct fit OEM replacement for most 00-07 pickups, gas or diesel with OEM 3" inlets. Deep smooth performance sound on dual-outlet models & OEM comparable sound on single outlet models. Perfect if you want to add a custom dual system that has low interior resonance and in most cases, reversible

• Big Oval (12"x9") design for low interior resonance
• Sized 3" or 3 ½" Inlets for an OEM Direct Fit.
• 100% Aluminized steel welded construction for a durable long lasting product.
• OEM comparable sound in single outlet models.