Clubsport aggression and sound under high rpms with an abundance of gurgling and crackling off throttle. Yet this one is also very civilized at low rpms and while cruising. Excellent choice for a daily driver without the added expense of valves. + 11 hp & + 10 tq gain. - thermal insulation on piping to keep suspension components cool. Withstands up to 2,012 degrees fahrenheit (1,100 degrees celsius). - larger diameter tubing internally to compensate for the larger motor. - 2 x 3.5 (90 mm) round tips. - intoxicating growl at idle, partial throttle and wide open throttle. - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - minimal resonance / drone in the cabin. - "aero quip" style mo...(choose a part on the right to read more)

Known as: valve seat ring

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.