Specifications | MagnaFlow Part # 10416. Enjoy MagnaFlow’s deep throaty sound and dyno-proven high flow performance on your ride with this center/center layout muffler. Proudly made in the USA. DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 4" x 4" Round muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases.
eBay