VANCE & HINES MOTORSPORTS - COMPETITION SERIES EXHAUST KIT FOR 350+ HORSEPOWER SUZUKI PRO STOCK MOTORCYCLES Supplied in "kit form" to allow adaptable fitment on most VHM, Trac, PMFR and Kosman frames. • Designed exclusively for drag race applications, this 4:1 exhaust is the ultimate design for peak power. • Quality, lightweight stainless steel construction. • Tapered head pipes, full merge 4:1 collector and tapered intermediate pipe for maximum performance. • Tuned length megaphone. • Slip fit collector joints with "dual swivel end retention springs". • Includes aluminum CNC machined "D" port spigots • O2 sensor bung in rear collector for wideband air/fuel ratio monitoring. • Weighs only 8 pounds. • Includes spring puller tool. * Requires some welding and drilling. Intermediate pipe angle, spring tab locations, EGT placement will vary with fairing design, clutch cover design, battery location, etc. Requirements - Weld Intermediate pipe to collector - Weld spring tabs on collector and lower head pipes - Weld EGT fittings on head pipes and drill sensor hole - Weld O2 bung on intermediate pipe and drill sensor hole