Mild horsepower boost for the street
Audi RS3 8V (2018+) 2.5T Performance Engine Parts
- Blow Off Valve
- Camshaft
- Catch Can
- Connecting Rod
- Cooling
- Cylinder Head
- Diverter Valve
- Exhaust
- Fueling
- Hoses
- Intake
- Intercooler
- Mounts
- Oiling System
- Pistons
- Software
- Throttle Controller
- Turbocharger
- Water-Meth
- Clearance
Mild horsepower boost for the street
Featuring Milltek Sport High-Flow sports cat, fits with OE and Milltek cat-back systems.
Delivers up to 88% more airflow over stock and is engineered for seamless integration with Unitronic's high flowing 4 Inch Turbo Inlet Elbow.
W/Brackets, Solenoid, Hose & All Necessary Fittings
Make draining your ECS or Turner Catch Can simple with this comprehensive kit
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
High quality performance valve springs and titanium retainers
Installs in place of the the flow-restrictive, factory turbo inlet and allows your turbo to breathe freely!
Upgrading cooling for your engine oil
For custom applications only. Not a direct bolt on.
Increased airflow (42% over stock), improved throttle response, and high-quality glass carbon fiber construction - Tough, light, and great looking!
*Fits 2019+ model year - Includes new IE Diverter Valve Adapter Kit*
CTS-IT-255R 4.0" Inlet - Increase horsepower and torque while adding an aggressive, race inspired sound!
Fits 2018 model year only
This product was last offered at the strikethrough price on
09-29-2026
The APR Turbocharger Inlet System outflows the factory components by up to 45%, and jumps to 60% when adding the APR Intake Filter.
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*Fits 2019+ LHD models where diverter valve adapter is necessary - Does not fit ROW vehicles with Right H
This product was last offered at the strikethrough price on
09-28-2026
42% larger than stock - The 8V RS3 / 8S TTRS platforms benefit greatly from an intercooler upgrade!
Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings
Used to adapt IE downpipe (RS3/TTRS) to stock Cat-back system, or IE Cat-Back (RS3) to stock downpipe
Decrease slop, increase drivetrain rigidity and response
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026