40 Series Performance Muffler FLO42441

If you're running a performance exhaust setup, your muffler is critical to balancing horsepower gains with practical street or track performance. The 40 Series Performance Muffler delivers a deep, aggressive tone while maintaining efficient backpressure—ideal for carbureted and naturally aspirated engines where every decibel and CFM matters. This universal design fits most classic and custom builds, giving you the flexibility to optimize your exhaust without full system overhaul.

• 40 Series design
• 2-1/4" offset inlet
• 2-1/4" center outlet
• 13 x 9-3/4 x 4" oval body
• 19" total length
• Steel construction
• Black paint finish
• Universal fitment
• Bolt-on installation