Exedy 2004-2014 Subaru Impreza WRX STI H4 Lightweight Flywheel Lights>Tail Lights the HF-5 is available in

the HF-5 is available in 2 standard finishes and custom finishes

which leads to improved performance and fuel economy over stock or equal Length headers

Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while el iminating the annoying whistle found in other helix only throttle spacers

A spring compressor is not required due to the light amount of preload on the stock coil springs and extended shaft studs

aFe POWER Tow Loops mount directly to the frame and are much safer than the factory tie-down loop when towing or recovering a stuck vehicle

Exedy 2004-2014 Subaru Impreza WRX STI H4 Lightweight Flywheel Lights>Tail Lights the HF-5 is available inEXEDY Lightweight Flywheels combine low weight, low inertia and high thermal capacity. They are designed for light to moderately tuned racing cars for drag racing, autocross and rally events, as well as street usage. They are made from solid one piece billet chromoly steel or chromoly steel forgings. They are specifically designed to reduce weight and inertia for better engine response. Most incorporate special design features to enhance the airflow