APR Secondary Air Injection SAI Filter | VW · Audi B9 S5 3.0L Turbo V6 once the cylinder head is

once the cylinder head is bolted down the entire block is torqued into a new shape pulling your perfect round cylinders into an oval changing your measured clearances

IE recommends you check your belt tension often (every oil change) and adjust if necessary

Our slash-cut exhaust tips with a variety of finishes upgrade the rear of the vehicle dramatically

longer bolts are required and are provided below

This results in a connecting rod that is uniquely strong and light

APR Secondary Air Injection SAI Filter | VW · Audi B9 S5 3.0L Turbo V6 once the cylinder head isReplacement air filter for secondary air injection systems. This high quality pleated cotton gauze filter is a direct fit on SAI equipped vehicles. Features: Direct fit on SAI equipped vehicles Pleated cotton gauze filter High quality construction What's Included: APR Secondary Air Injection SAI Filter