Audi B8 S4/S5 & 3.0L/3.2L Audi Models High-Performance All-Aluminum Radiator Silverado 2500 HD Classic Utilizes CSF's specially-engineered "B-tubes" which

Utilizes CSF's specially-engineered "B-tubes" which are made from thinner and lighter aluminum but are still stronger than conventional 0-shape tubes

This has greatly increased the demand for more motorsports grade products for more power and reliability

and can withstand a higher peak burst rate

the old tube and fin design don't compare to the durability and performance of a bar and plate design

Audi B8 S4/S5 & 3.0L/3.2L Audi Models High-Performance All-Aluminum Radiator Silverado 2500 HD Classic Utilizes CSF's specially-engineered "B-tubes" whichClick Here for the Full Press Release CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your Audi running at its best, a CSF High Performance All Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports