Vance & Hines 2 Into 1 Pro Pipe Exhaust Chrome 17559 This Vance & Hines 2 Into 1 Pro Pipe Exhaust system is three upgrades in one  for performance, appearance, and sound. This complete system is made in the USA, and brings the exhaust from both cylinders into one pipe for a racing-inspired look on your Harley-Davidson touring bike. This improved design offers a stepped header coupled with a larger volume merge collector to increase performance over previous models. The rich These chrome Vance & Hines 2-into-1 Pro Pipes give your Harley-Davidson touring model awesome style, sound, and performance. These Vance & Hines Pro Pipes use a stepped header and a larger volume merge collector to improve performance over previous models, and the long megaphone shape produces a thick, rumbling sound. For less sound, install the optional quiet baffles 632-359. Sold separately. For more thundering sound, install Competition Baffle 406-402, increasing the sound level 3-5db. Sold separately. Covered end to end in blue-proof chrome heat shields, finished off with a CNC machined end cap with a Vance & Hines badge.