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Corrosion salt spray tested (ISO 9227)
but if you're just looking for a subtle increase that's completely homologated for road use
- Full fitting kit and instructions
Fixtures & accessories
Front axle load: 1075Kg
Valvetronic BMW M3/M4 Equal Length Valved Sport Exhaust System (F80/F82/F83) Configuration:Full Exhaust Corrosion salt spray tested (ISOWelcome to the Valvetronic Designs cat back exhaust system for the F8x platform, or in other words, the solution to the F8x sound problem. For years enthusiasts have wanted to find a solution to the buzzy and raspy sound these cars produce from the factory. Since these cars were released back in the late portions of 2014, enthusiasts knew there was world class sound lying under all the rasp. Valvetronic's mission has been to find this hidden sound and
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