Porsche 911 Exhaust 991 with FVD Exhaust System

Exhaust System 991 12- "Brombacher" with Valves 200 Cell "HD" Cats ,Tips 4x90mm
http://www.fvd.net
"BROMBACHER" Stainless Steel Exhaust System with valves for the 991

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.
Absolutely NO DRONE in the cabin.
"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.
Under load (moving) with valves closed: 85dB*
Under load (moving) with valves open: 90dB*

*OEM car is 75 dB with valves closed for reference.