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Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet aluminum pulley kits for maximum horsepower gains
1-5/8" CNC Mandrel Bent Primary Tubes For Maximum Exhaust Flow
patented Monoloc Collar
The PPE 350Z HR long tube headers are designed for maximum power and midrange
HC2-HDR4 kit features ACT's most popular Heavy Duty pressure plate
BBK 11-14 Mustang 3.7 V6 High Flow X Pipe With Catalytic Converters - 2-1/2 (1814) 17785 Additional and significant performance improvementsBBK High Flow performance X pipes are designed to maximize the horsepower and torque of your 2011 2014 Ford Mustang 3. 7L V6. Every BBK Performance X pipe is designed as a direct replacement for the factory pipe and features larger diameter 16 gauge 2 1 2" CNC mandrel bent aluminized steel tubing with a unique BBK center X section for improved exhaust extraction along with high flow steel substrate catalytic converters to help increase exhaust flow