S&S, top end gasket kit. 4-3/8" bore - 99-17 style S&S T143 (Twin Cam style) 143" T-series engines; 84-99 style S&S V-Series (Evo B.T. style) 145" Tribute engines 555693 Features and Overview: The Competition

Features and Overview: The Competition Series 2-into-1 is an ultra-high performance drag race exhaust system developed by the R&D team at the race shop in Indianapolis

Note: To service EV6 style injectors order 547331 pigtail separately

3cm) wide x 8" (20

Machined from chromoly steel

Perfect for a stock rebuild

S&S, top end gasket kit. 4-3/8" bore - 99-17 style S&S T143 (Twin Cam style) 143" T-series engines; 84-99 style S&S V-Series (Evo B.T. style) 145" Tribute engines 555693 Features and Overview: The Competition4 3 8" bore. S&S base pattern. Note: Designed for use with S&S engines. Note: Does not include a rocker cover gasket kit. This must be ordered separately.