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HJS Germany makes the worlds very best catalytic converters utilizing EMITEC Tier 1 tri-metallic cores and a proprietary precious metal wash coat
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
Improves exhaust flow and sound by replacing the restrictive factory tips with a clean straight-through design
Fabspeed BMW M3/M4 (G80/G82) Valvetronic Exhaust System (2021+) Select Tip Finish:Polished Stainless Steel HJS Germany makes the worldsWT (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
