- + 15 crank hp & + 14 crank torque. - 2 ½" (63.5 mm) diameter tubing (reduces thermal stress). - 22 lbs. (10 kg) weight savings. - replaces OEM valved Porsche sport exhaust (pse). - reuses OEM headers and cats (no cel, retains OEM software). - intoxicating growl at idle, partial throttle and wide open throttle with the valves open. Factory quiet with them closed! - no ecu software programming necessary. - includes dual 90mm tips - made in Germany. In our relentless quest to meet all of our customers exhaust needs; we wanted to create a special black edition system that retains the OEM headers and cats. The benefits are 3 fold, you can pass emissions with ease, you don't need to run a software file (for th...(choose a part on the right to read more)

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)