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Our GT exhaust system for the BMW E60 M5 offers aggressive race car sound and performance. Made of high quality T-304 stainless steel, our GT system shares the same design as our ST street system with the exception of no catalytic convertor. Expect a 10-17whp gain and a weight saving of over 50lbs from the stock system (stock:122lbs vs. RPi: 59lbs).
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