Brombacher stainless steel sound switch exhaust system complete for the 991 3,4l. + 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 3/4 tubing (70mm). - 4 x 3.5 (90mm) round tips. - motorsport merge collector. - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - aero quip style motorsport connections without gaskets or flanges to ensure a leak free exhaust. - does not interfere with emissions and will not trigger the check engine light. - ecu programming (software) is not necessary. Please note: the 991 Carrera s (us or canadian model) comes standard with valves! Power is stated at the crank. Click the additional.pdf files to see why our system is superior to any other aftermarket manufacturers! This is the very 1st aftermarket exhaust for the 991 and is also one of the most technically advanced systems for Porsche to date. This system incorporates advancements learned over many, many years of endurance racing at races like the 12 hours of sebring, 24 hours of nurburgring and the 24 hours of dubai.

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.