Apex VS-5RS Forged Alloy Wheel 18x9.5 ET20 5x112 Satin Black 57.1mm CB F32 4 Series Their primary function is to

Their primary function is to reduce lift at high speeds by directing airflow along the sides of the car and preventing air from rolling underneath

More engaging induction sound under spirited driving

Stunning under-bonnet appearance Carbon fibre construction for premium aesthetics

and Satin Black

while RP-1 provides a different response characteristic

Apex VS-5RS Forged Alloy Wheel 18x9.5 ET20 5x112 Satin Black 57.1mm CB F32 4 Series Their primary function is to10K Tons of Pressure Our new forgings weigh as much as 120 pounds before machining. To form such a thick blank we require special equipment capable of 10,000 metric tons of pressure. This extreme pressure increases the strength of the aluminum by eliminating porosity and improving the grain structure. True Motorsport Blanks Many companies use 3rd party blanks intended for non motorsport wheels which can severely limit sizes, concavity, spoke design,