Flowmaster 40 Series Delta Force Top Ten Race Muffler - 4" Center Inlet / 4" Center Outlet - Aggressive Sound - 13.25" x 10.00" x 5.00" HXY2421 Compatibility with large displacement 351W

Compatibility with large displacement 351W based engines

Induction Hardened Sprockets

NecksGen feels that they have achieved the ultimate goal of making the safest

One gallon container treats 4 to 6 tires

019 in Undersize

Flowmaster 40 Series Delta Force Top Ten Race Muffler - 4" Center Inlet / 4" Center Outlet - Aggressive Sound - 13.25" x 10.00" x 5.00" HXY2421 Compatibility with large displacement 351WSingle chamber. The 10 Series race mufflers are intended for racing applications and utilize Flowmaster's patented Delta Flow technology for maximum performance. Recommended for racing applications where a muffler is required without a set decibel limit to be met. Will provide a noticeable dB reduction over open headers. Please call the Flowmaster tech line for assistance with specific dB requirements and applications. Durable fully welded 16 gauge