Audi B9 S4/RS4 S5/RS5 Carbon Fiber ECU Cover ECS Tuning Catalyst Will fit With the following

Will fit With the following intercoolers

Courtesy of Diversion Automotive

with standard map

as the original intake hose is too small a diameter to fit over the inlet elbow

Massive 5" Inlet Conical Pleated Cotton Air Filter

Audi B9 S4/RS4 S5/RS5 Carbon Fiber ECU Cover ECS Tuning Catalyst Will fit With the followingProduct Details The B9 range of the S4 S5 and RS4 RS5 are packed full of styling details and are often fitted with aftermarket carbon fibre induction kits and engine covers, but on every car we saw one thing stood out, the factory ECU spoiling the look under the bonnet so here at ECS we decided something needed doing about this! Designed with the same style carbon fibre that comes on the Carbon Edition range it blends well with the engine covers and