Rieger Rear Diffuser Insert (RS3 look) Audi A3/S3 8V Sportback Fuel System it will increase horsepower while

it will increase horsepower while also sounding louder and deeper than the oem exhaust fitted by VW

Audi RS3 8Y Sportback/Sedan 294KW/400PS 07/2021+

This results in increased power and torque due to faster turbo spool and increased airflow generated

They are manufactured in the USA from 2618 materials

Rieger Rear Diffuser Insert (RS3 look) Audi A3/S3 8V Sportback Fuel System it will increase horsepower whileRieger rear diffuser insert. Suitable for oval exhaust (152x95mm oval) + S3 8V ABS plastic High gloss black Including mounting material For cars with S Line exterior SUITABLE FOR THE FOLLOWING MODELS: A3 (8V): 07. 12 08. 16 (pre facelift) 3 dr (hatchback 8V1), 5 dr (sportback 8VA) S3 (8V): 05. 13 08. 16 (pre facelift) 3 dr (hatchback 8V1), 5 dr (sportback 8VA)