Doug's Headers H3015 Smithy 30" Performance Muffler 2.25" Inlet/Outlet

The Doug's Headers H3015 Smithy Muffler is a high-performance exhaust muffler designed for custom exhaust systems and performance applications. Featuring a straight-through design with 2.25-inch inlet and outlet diameters, this muffler provides excellent exhaust flow while reducing backpressure for improved horsepower and throttle response.

Key Features:

• 2.25-inch diameter inlet and outlet for optimal exhaust flow
• 30-inch overall length provides effective sound dampening
• Durable steel construction built to withstand high exhaust temperatures
• Straight-through perforated core design minimizes restriction
• Versatile design works with a wide range of automotive, truck, and street rod applications
• Produces a deep, aggressive exhaust tone without excessive drone

The Smithy series from Doug's Headers is engineered to deliver a balance of performance and sound control, making it ideal for enthusiasts building custom exhaust systems who want increased flow without the harsh noise of open headers. The compact 30-inch length allows for flexible installation in various chassis configurations.