The perfect compromise for you and your loved ones. Rich, deep race car tones with the valves open and soft subtle, completely stock sounds with them closed. + 25 hp & + 20 tq gain. - 200 cell hjs "hd" sport catalysts. - 25 lb. Weight savings over OEM system (weighs 59 lbs. (27,0 kg), OEM weighs 84 lbs. (38kg). - 2 1/2 tubing (63.5 mm). - 2 x 3.5 (90 mm) round tips. - motorsport merge collector. - intoxicating growl at idle, partial throttle and wide open throttle with the valves open. Quiet with them closed! - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - minimal resonance / drone in the cabin compared to the competitions full exhaust systems. - "aero quip" style motorsport m...(choose a part on the right to read more)