+ 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.
- T 316 stainless steel for improved durability over T 304.
- “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.

Available for 3.4 and 3.8L applications with and without valves.

with Valves $6700.00
w/o Valves $5700.00