The Flowmaster 50 Series Delta Flow Muffler with a 4" center/center configuration improves exhaust flow, offers a mellow tone, and enhances throttle response for larger vehicles.

The Flowmaster 50 Series Delta Flow Muffler with a 3.5" center/center configuration enhances exhaust flow, offers a mellow tone, and improves throttle response for larger vehicles.

Flowmaster 50 Series Delta Flow Muffler, 3" center/center, offers moderate performance sound with reduced interior resonance for street and truck applications. 

HF Exhaust Muffler 50 Series Heavy Duty, 3.5" center/center, delivers a deep, moderate tone with durable construction for high-output truck and performance use.

HF Exhaust Muffler 50 Series Heavy Duty, 3" center/center, provides a deep, moderate tone with robust build for trucks and high-performance applications.

HF Exhaust Muffler 40 Series Delta Flow, 3" center/center, delivers an aggressive tone with improved flow and reduced resonance for street and performance vehicles.

HF Exhaust Muffler 4" Long 8" designed for high-flow performance and an enhanced exhaust note.

HF Exhaust Muffler 4" Long, designed for high-flow performance and a deep, aggressive exhaust tone.

HF Exhaust Muffler 3.5" Short, designed for high-flow performance and enhanced exhaust sound.

HF Exhaust Muffler 3.5" Long 8" designed for high-flow performance and an enhanced exhaust note.

HF Exhaust Muffler 3.5" Long, designed for high-flow performance and an enhanced exhaust note.

HF Exhaust Muffler 3" Short, designed for optimal high-flow performance and a compact, aggressive exhaust sound.

HF Exhaust Muffler 3" Long 8" designed for high-flow performance and an enhanced exhaust note.

HF Exhaust Muffler 3" Long, designed for high-flow performance and an enhanced exhaust note.