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or emissions related enforcement issues
flow and tone
and Free Flow Exhaust result in peak power of 398 HP @ 5700 RPM and 429 TRQ @ 4300 RPM
Muffler - XR-1 Sportsman - 3 in Center Inlet - 3 in Center Outlet - 12 x 4
Dinan High Performance Air-to-Water Intercoolers - 2009-2019 BMW 5/6/7-Series Oil Coolers or emissions related enforcement issuesMore power, great looks, more consistent performance, and no downside by upgrading to the Dinan High Performance Intercoolers for the N63 twin turbo V8. Heat is the enemy of horsepower, beat it by replacing the air to water intercoolers with larger units from Dinan to reduce the charge air temperature. Add an impressive 20 horsepower and 10 lb ft of torque when used with Dinan Intercooler Performance Software. This additional cooling is even more
