Stage 2 ECU tune that provides the necessary calibration for aftermarket downpipes and aggressive exhaust crackles while maintaining Stage 1 power levels for 2017-2020 Audi B9 S4, S5, and SQ5 models.
5X Entries For Our 25th Anniversary Sweepstakes!
Stage 3 Plus ECU tune that adds an upgraded HPFP, injectors, and 4-bar MAP sensors alongside hybrid turbos to unlock a massive 739 horsepower and 710 lb-ft of torque for 2017-2020 Audi B9 S4, S5, and SQ5 models.
5X Entries For Our 25th Anniversary Sweepstakes!
Stage 1 ECU tune that unleashes up to 505 horsepower and 585 lb-ft of torque for 2017-2020 Audi B9 S4, S5, and SQ5 models directly from your smartphone.
5X Entries For Our 25th Anniversary Sweepstakes!
Stage 3 ECU tune designed for TTE810 or Pure750 hybrid turbo upgrades on stock fueling to deliver track-ready performance for 2017-2020 Audi B9 S4, S5, and SQ5 models directly from your smartphone.
5X Entries For Our 25th Anniversary Sweepstakes!
Delivers improved power, sound, and acceleration to Audi B9/B9.5 S4/S5 owners within a clean, cost-effective package.
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
Brand:
ES#:
5396497
Mfg#:
034-108-5049
In Stock
ON SALE!
SAVE 30%
$615.00
This product was last offered at the strikethrough price on 05-02-2026
More Power. More Fun. Plus, a Limited Powertrain Warranty
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne
Features lightweight, CNC-machined 8-piston brake calipers with 390x34mm 2-piece rotors, reducing unsprung weight while enhancing brake cooling and longevity.
Brand:
ES#:
4842887
Mfg#:
034-301-0003-NKL
Ships in 2 Business Days
ON SALE!
SAVE 10%
$4563.00
This product was last offered at the strikethrough price on 08-17-2026
Features lightweight, CNC-machined 8-piston brake calipers with 390x34mm 2-piece rotors, reducing unsprung weight while enhancing brake cooling and longevity.
Brand:
ES#:
4842885
Mfg#:
034-301-0003-RED
Ships in 2 Business Days
ON SALE!
SAVE 10%
$4407.00
This product was last offered at the strikethrough price on 08-17-2026
Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane.
Brand:
ES#:
4846365
Mfg#:
034-509-0095
Ships in 2 Business Days
ON SALE!
SAVE 10%
$677.00
This product was last offered at the strikethrough price on 08-17-2026
Features lightweight, CNC-machined 8-piston brake calipers with 390x34mm 2-piece rotors, reducing unsprung weight while enhancing brake cooling and longevity.
Brand:
ES#:
4842886
Mfg#:
034-301-0003-BLK
Ships in 2 Business Days
ON SALE!
SAVE 10%
$4407.00
This product was last offered at the strikethrough price on 08-17-2026
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
