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On our dyno we saw max gains of 10 whp (wheel horsepower) and 7 ft/lbs of torque
which not only provides a much tighter seal around the filter
giving the 993 rear end a more finished and elegant look
Our 2000-2004 system deletes the redundant secondary catalytic converters
HP (whp): +66
Fabspeed BMW M3/M4 (G80/G82) Valvetronic Exhaust System (2021+) Select Tip Finish:Polished Stainless Steel On our dyno we sawWT (lbs) (KGs): 3 1. 4 The Fabspeed BMW M3 & M4 Valvetronic Exhaust System offers a superb plug and play upgrade to the restrictive and quiet OEM exhaust. Adding a significant increase in tone, volume, and power. We use Helical valves imported directly from the U. K. to eliminate any risk of valve failure that plague many other options on the market with low quality exhaust valves. SOUND: The Fabspeed Motorsport Valvetronic Exhaust System relieves you
