they provide both fashion and function

Progressive puts its expertise to work for high-performance applications

They significantly improve volumetric efficiency

Perfect to wear with a helmet over your prescription glasses

vance hines 2 into 1 stainless upsweep exhaust for harley Fits:04-22 XL Sportster they provide both fashion andVance & Hines 2 into 1 Stainless Upsweep Exhaust for Harley Davidson Transform your Harley Davidson to a raw power machine with the Vance & Hines 2 1 Upsweep Exhaust System. Refined from four decades of on track competition, it both looks and acts the part. THis exhaust system is hand TIG welded and manufactured in 304 stainless steel with a brushed or black finish. The 2 1 upsweep features the innovative PCX Technology with chambered high flow