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Improved safety and performance with OE springs
dB reducer (Titanium) is aimed at driving enthusiasts who need to keep the noise of the exhaust within approved levels during track-day use
ECE type approval for the Slip-On Line (Titanium) exhaust system is not valid
Need additional ½ quart for proper fill-up during installation (OEM cooler is 7 quarts
Sharper throttle response and drivability - choose your throttle response
Wavetrac Differential - Mini R53 | R56 Cooper S (Manual) X5 (F15) Improved safety and performance withSimply put Wavetrac is the only gear diff on the market that does not lose all drive when one axle is unloaded. Axles become unloaded in aggressive driving, track cornering, extremely slick surfaces, etc. It happens more than most people realise. We wont go into torque bias ratios or the concept of how torque biasing diffs work at this point. Lets get to how the Wavetrac affects performance: For example, you have a conventional gear diff (OEM, Quaife,