APR - Enhancing Your Driving Experience

At APR our sole mission is to engineer only the highest quality tuning solutions for Volkswagen, Audi and Porsche vehicles ensuring the enthusiast the ultimate driving experience while consistently providing the enthusiast the ultimate in customer care and support. Please contact us toll free at 800-680-7921 for a personal consultation on how we can help you get the most from your vehicle.

New Products

APR Presents the 6MT Adjustable Short Shifter

November 20th, 2015

APR is pleased to present the ultimate fully adjustable Short Shifter System for the 6 speed manual transmission!


The APR Short Shifter System is a comprehensive upgrade to the factory gear shifter assembly and is designed to reduces shifter movement, in all directions, while simultaneously improving shift quality. The system provides fine tuning of front-to-back and side-to-side movements to shorten shifts, counterweight adjustments for enhanced shift quality, and upgrades the weak points of the factory setup to provide years worry free use. The upgrade is simple, easy to install, easy to adjust, and leaves the driver spending less time shifting, and more time accelerating to victory. To APR’s engineers, it’s the ultimate solution, but to the driver, it just works! Read More…

APR Presents the IS38 Turbocharger Upgrade for the GTI, A3, Leon, Octavia and S1!

November 2nd, 2015


APR is pleased to present the OEM Golf R/S3 IS38 Turbocharger ECU upgrade for GTI/A3 platform vehicles and the Audi S1!

APR’s IS38 Turbocharger ECU Upgrade is designed for use with the factory Golf R / S3 turbo on GTI/A3 platform vehicles and produces an asphalt-shredding 386 HP on 93 octane fuel, and over 400 HP using APR’s upcoming Ethanol Flex Fueling upgrades! It’s even compatible with the factory downpipe exhaust system, at lower output levels. Expect lightning fast response coupled with smooth daily driving and a much broader power band that pulls all the way to redline!


Using multiple vehicles across the world and in house, APR’s team of Calibration and Electrical Engineers spent the better part of a year mastering the factory Simos 18 engine management system to work seamlessly with the upgraded IS38 turbocharger unit. All critical aspects of the vehicle’s platform were taken into consideration and monitored through APR’s proprietary engine management logging tools to levels often not seen elsewhere in this industry. Through proper mapping, the ECU fully understands the hardware changes and operates correctly. As such torque delivery is smooth and flat, avoiding compressor surge, limitations in …

APR Products



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APR B8 S4 11.1 Quarter Mile Pass with a 4,200 Feet DA!
APR MK7 Stage III EFR Torture Testing!
APR Motorsport Launch Limiter and No-Lift Shift Tutorial
APR Motorsport Launch Limiter and Motorsport No-Lift Shift
470 HP APR "MaxR"  MK6 Golf R - (Track) One Take
400 HP APR
APR Dl501 S4 & S5 S Tronic TCU Upgrade!
APR MK7 Golf R - Stage 2 Quarter Mile!
APR 1.8 TSI Tiptronic Quarter Mile Testing (EA888 Gen 3 Passat)

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APR Tuned

Phone: (800) 680-7921 Local Phone: +1 (334) 502-5181 Fax: (334) 502-5180 Address: APR LLC, 4800 US HWY 280 West, Opelika, AL 36801

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Notice: Products that effect emissions and do not carry a California Air Resources Board Executive Order are not for sale in California, USA. While we try to keep everything current, APR LLC is not responsible for errors in pricing on this web site. All prices are in USD and are applicable to the United States of America only.