H&R 05-09 Ford Mustang/Convertible/GT/Shelby GT/Shelby GT-H V6/V8 Race Spring - 51655-88 fits_2017-`Mazda`CX-5 Fully valved for two distinct

Fully valved for two distinct sound profiles

3L Powerstroke rolled off the assembly line

Up to 43 percent flow increase

Vehicle Compatibility: 93-99 Toyota Celica (ST203)

Delivering gains of up to 6 horsepower and 9 lb-ft of torque (tested on the 5

H&R 05-09 Ford Mustang/Convertible/GT/Shelby GT/Shelby GT-H V6/V8 Race Spring - 51655-88 fits_2017-`Mazda`CX-5 Fully valved for two distinctH&R Race Springs are designed for high performance drivers'who want the most out of their vehicles. When the need for uncompromised handling performance becomes a priority, H&R Race Springs will provide over the top race ready performance and appearance. They help balance vehicle weight for improved performance and control, while lowering the center of gravity. Features & Benefits (hf) 54SiCr6 Spring Steel, Shot Peened, Block Set, Lightweight, Strong