These high-performance mufflers feature a maintenance free louvered baffle system and are mounted with rubber bushings that isolate engine vibration and significantly reduces bracket fatigue Installation is quick and easy for a bolt-on factory fit and finish Each system is handcrafted and TIG welded for the specific application Free flowing exhaust to increase horsepower Fabricated using 100% 304 Stainless Steel Classic Triumph exhaust tone Made in the USA. MUFFLERS PRED PRO POL