Coolshirt Maintenance Additive - 16oz Door and air/fuel ratios

and air/fuel ratios

Increased reliability - proven in racing and high volume OEM use  High-temperature bearings at both ends of the butterfly spindle Cast stainless steel valve body with stiffening ribs for ultimate durability                           FEATURES: Fits Audi R8 V10 Coupe

The combination of the patented "Y" design of the IPD Plenum combined with a larger TB allow for improved air flow and intake air speed

order an XL

Coolshirt Maintenance Additive - 16oz Door and air/fuel ratiosCoolshirt Maintenance Additive is safe to use in all water cooling system and contains a fungicide to prevent the growth of mold and bacteria. Regular use of this non toxic, biodegradable solution not only helps keep your cooling system clean, but helps to improve the life and performance of your system's water pump. Add 2 ounces every time the system is used for best results.