I picked up Mims XR today from DJR Performance. Walter installed the X-Force 4 into ones and the X-Force stainless racing cats. Very happy with the job, and now that ugly drone that it made around 2 - 2,300 rpm has gone. It definitely made changes to the way it drives and accelerates and most importantly, the sound. Walter gave it a quick spin on the dyno after he finished, it made 267 rear wheel horsepower (197 rear wheel kilowatts) and 550 nm of torque. That is from a stock engine, and with a stock factory tune. Got to be happy. In about 6 weeks, she goes in for a X3 flash box and a custom tune.
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