Unleash up to 357HP/396TQ by transforming your Audi B9 A4/A5 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dyno tested and produced significant power increases of +23 HP / +28 lbs. x ft. torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Features CAN-Bus connectivity for more advanced tuning — gain up to 30whp and 45lb-ft. of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. Fits 190hp models only
Get up to +44 hp and +55 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339016
Mfg#:
902982
Ships in 4 Business Days
ON SALE!
SAVE 10%
$399.00
This product was last offered at the strikethrough price on 06-30-2026
Get up to +40 hp and +54 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4785814
Mfg#:
923732
Ships in 4 Business Days
ON SALE!
SAVE 10%
$438.00
This product was last offered at the strikethrough price on 06-30-2026
Get up to +44 hp and +55 lb-ft through a safe and easy to use tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339015
Mfg#:
902981
Ships in 4 Business Days
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 06-30-2026
Increase of +40 Horsepower, and +25 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty*
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.
Brand:
ES#:
4727518
Mfg#:
EM100039
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$193.95
This product was last offered at the strikethrough price on 06-30-2026
This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop. *Tune sold separately.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For use with HP Tuners MPVI2+ and MPVI3 interfaces only.
Brand:
ES#:
4840618
Mfg#:
H021-002-06
Back Ordered
$60.99
This product was last offered at the strikethrough price on 05-12-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
All the performance ECU/TCU 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.
Lifetime Replacement
