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E63 / E64 6 Series (2003 - 2013) The E63/E64 BMW 6 Series builds on BMW's sporty heritage with aggressive lines and an incredible motor to back the design up. Available in coupe and convertible trims with a standard 4.8 liter engine producing 360 horsepower and 360 lb-ft of torque, the 6-series is a popular choice that exceeds expectations.
I have posted an exhaust sound video before, when I removed all 4 resonators and did a step up x-pipe...well since then, I had been working with a muffler manufactor to make me prototype mufflers, here is the finished product:
I will be uploaded a revving video later
PS: I may end up having these manufactured, or I may not...I need to do a more in-depth cost analysis to determine if it would be a profitable product to sell.
6 series - Sapphire Black w/ 22" Beyern Mesh wheels