APR Valveless S3 Catback Exhaust System

APR Valveless S3 Catback Exhaust System. This is the louder of our two systems. This video shows the system with the APR Race DP installed.
Read More

Eurocode's 9.8@142.9 MPH 2018 RS3 2.5 TFSI DSG at Sacramento Raceway - APR Tuned ECU / TCU (E85) - Eurocode / SRM hybrid / stock frame turbo w/ GTX35 gen 2 CHRA - Eurocode IC, CAI and DP w/ dump Tube - Eurocode / SRM LPFP - APR port injectors - 18x8.5 wheels w/ Hoosier DR2 DOT legal drag radials - Stock engine long block, transmission and steel brakes - Seats / tools out, everything else in.
Read More

The APR Stage I ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications, and produces 234-262 HP with 270-311 FT-LBS of torque depending on fuel grade. Gains as high as 45-73 HP and 59-100 FT-LBS of torque are available throughout the power band, depending on fuel grade and factory output, making the vehicle exceptionally quicker in all scenarios. Optionally, APR Plus is available with a factory term limit matching limited powertrain warranty and delivers 234 HP with 270 FT-LBS of torque! APR Stage 1 is available for 87 AKI, 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 fuel grades in North America! Learn more on our product page and GOAPR!
Read More

The APR Stage I ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications, and produces 234-262 HP with 270-311 FT-LBS of torque depending on fuel grade. Gains as high as 45-73 HP and 59-100 FT-LBS of torque are available throughout the power band, depending on fuel grade and factory output, making the vehicle exceptionally quicker in all scenarios. Optionally, APR Plus is available with a factory term limit matching limited powertrain warranty and delivers 234 HP with 270 FT-LBS of torque! APR Stage 1 is available for 87 AKI, 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 fuel grades in North America! Learn more on our product page and GOAPR!
Read More