Apex VS-5RS Forged Alloy Wheel 19x9 ET30 5x120 Motorsport Gold 72.56mm CB 2015-2017 STI This diffuser is installed over

This diffuser is installed over the factory diffuser for a more premium OEM+ look

Used by championships including BMW Compact Cup

With its split 10-spoke design

controlled results with identical run-down losses and ambient temperatures across all tests - no correction factor manipulation

***Direct OEM Replacement on Subaru RA ONLY***

Apex VS-5RS Forged Alloy Wheel 19x9 ET30 5x120 Motorsport Gold 72.56mm CB 2015-2017 STI This diffuser is installed over10K 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,