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Dinan's Free Flow Axle-Back Exhaust improves exhaust flow by reducing back pressure
Add an impressive 20 horsepower and 10 lb-ft of torque when used with Dinan Intercooler Performance Software
Exhaust System - Xtreme - Axle-Back - 3 in Diameter - Valved - Stainless - Natural - 3
No matter if the valve is open or closed the exhaust gasses make their exit via Dinan's signature enlarged
Dinan High Capacity Oil Cooler System - 2011-2013 BMW 135i Wheels Dinan's Free Flow Axle-Back ExhaustControlling operating temperatures becomes even more significant when you consider increasing boost pressure which in addition to added power output also generates more heat. Recognizing the significance of this issue, Dinan set out to develop a more efficient heat exchanger, ultimately in the form of a High Capacity Oil Cooler. The Dinan High Capacity Oil Cooler provides literally twice the volume of the stock unit, as well as 414 sq. in. of cooling
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