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post #1 of 3 Old 4th January 2017, 09:57 PM Thread Starter
Mike X-PH
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talking RPI E60 M5 Exhausts INTRO PRICE For A Limited Time


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High quality 16g T304 SS stainless steel
15-23HP power gain
Top quality at an exceptional value
Precision welds
100% made in the USA
Limited Lifetime Warranty
The RPI GTS exhaust system for the BMW E60 M5 offers the same aggressive race car sound and performance as our popular GT system but is about 15-20% quieter. 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: 62lbs).

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