Adjustable High Flow Fuel Pressure Regulator with 1 to 1 boost reference
Adjustable High Flow Fuel Pressure Regulator with 1 to 1 boost reference
Featuring Advanced Fuel Dynamics x Deatschwerks 600cc Injectors! Max Wheel Horsepower Supported on E85 of 750hp on naturally aspirated engines & 690hp on forced induction engines!
Designed to handle continuous temperatures up to 1,800°F
"Oil Free" OE replacement performance filter
This product was last offered at the strikethrough price on
05-27-2026
Featuring re-useable Weistec ARP Head Studs
This product was last offered at the strikethrough price on
07-15-2026
Improve the sound of your C63 V8 - More aggressive over stock exhaust
Increase of +69 Horsepower, and +21 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
This software is only compatible with Windows PC / Laptop. CARB certified for sale in all 50 states.
Makes 30+ WHP gains using the ProFlex Commander and E85! For Upgraded Injectors.
Only For Cars With Upgraded EV1 Injectors
Upgraded Weistec Idler Pulley Kit
Fix Excessive Valve Lash and Accelerated Wear to the Valvetrain
Includes cleaner and re-oil additive
Eliminate weak factory plastic idlers with the UPD M156 Billet Idler Set - a high-strength CNC aluminum upgrade built for smoother operation, extreme durability, and long-term AMG reliability.
Unleash the hidden power in your vehicle to get instant feedback & response!
Increase power by containing exhaust heat - Lava
Featuring Advanced Fuel Dynamics x Deatschwerks 850cc Injectors! Max Wheel Horsepower Supported on E85 of 895hp on naturally aspirated engines & 815hp on forced induction engines!