APR
Montgomery and Bucks County’s only authorized APR dealer — hard parts on the shelf and same-day flash tuning appointments.
Authorized APR Tuning Dealer
As a top APR dealer in Philadelphia, R/T Tuning stocks an inventory of performance hard parts right here on site at our Retail Speed shop. Flashing your engine or transmission control unit takes place directly through the OBD-II port, completing in under an hour without removing or modifying your factory computer. Located just off Route 309, our shop is a straightforward north-bound drive for enthusiasts coming straight up from Center City or heading over from the Roosevelt Boulevard corridor. For drivers seeking trusted APR certified dealers in Philadelphia, our technicians handle software updates, hardware additions, and system diagnostics under one roof.
Platform Support: Volkswagen, Audi & Porsche Engines
Whether you need sharper low-end torque for navigating Schuylkill Expressway traffic or smooth power delivery for weekend runs along Kelly Drive, working with an experienced APR tuner in Philadelphia gets the most out of your specific engine architecture. Our Montgomeryville shop actively flashes and supports modern European powerplants, including:
2.0T EA888 (Gen 1 through Gen 4)
VW Golf GTI, Golf R, Jetta GLI, Audi A4, A5, and Q5.
2.5T Inline-5
Audi RS3 and TT RS.
3.0T V6 (Supercharged & Single/Twin Turbo)
Audi S4, S5, SQ5, A6, and A7 models.
4.0T Twin-Turbo V8
Audi S6, S7, RS6, RS7, and Porsche Cayenne/Panamera models.
Learn More About APR Tuning
Founded in 1997, APR is the global leader in performance aftermarket products for Volkswagen, Audi, Seat, Skoda, Porsche, and other vehicles. As an established APR dealer in Philadelphia, R/T Tuning brings world-class performance upgrades directly to regional drivers. APR develops and manufactures hardware, software, calibration & data-logging tools for engine and transmission controllers, including intakes, exhaust systems, intercoolers, turbocharger systems, suspension, brake systems, wheels, and more.
If you are searching for an APR certified dealer or an APR tuner in Philadelphia, our team provides complete support for all software and hardware upgrades. We deliver proven APR tuning in Philadelphia backed by APR’s 24-hour automated global delivery system. Contact R/T Tuning today when you want APR tuning in Philadelphia for your build, or to schedule your APR tuning flash appointment.
Software Stages & Hardware Requirements Explained
Choosing the right upgrade path depends on your performance targets, local octane availability, and current bolt-on modifications:
Stage 1 ECU Calibration
Formulated specifically for stock vehicles. Increases horsepower and torque on standard 91, 93, or E85 fuel without requiring mechanical modifications.
Stage 2 & Supporting Bolt-Ons
Pairs software with high-flow downpipes, upgraded front-mount intercoolers, and cold air intakes to lower intake air temperatures (IATs) and maximize turbocharger efficiency.
TCU Transmission Control Software
Re-calibrates DSG and Tiptronic controllers to raise clutch clamping pressure, eliminate unwanted upshifts in manual mode, accelerate shift speeds, and refine launch control RPM targets.
APR Plus: Factory-Matching Powertrain Warranty Coverage
For owners hesitant to flash their ECU due to new vehicle warranty concerns, APR Plus offers a direct solution. APR Plus replaces your original factory powertrain coverage with a limited warranty supported directly by APR. This option provides Stage 1 performance gains while protecting key driveline components. As an authorized installer, R/T Tuning registers your vehicle directly into the APR Plus portal during your visit.
In-House AWD Dyno Verification & Real-Time Data Logging
Getting APR tuning in Philadelphia at R/T Tuning means your car receives live diagnostic oversight rather than a basic file download. Our technicians log live engine metrics on our in-house AWD dyno, checking manifold boost pressure, fuel rail pressure, wastegate duty cycles, and knock sensors to verify your vehicle performs correctly before returning to the street.
Frequently Asked Questions: APR Tuning in Philadelphia
How long does an ECU or TCU flash take?
Most direct OBD-II port flashes take under an hour. We offer same-day appointments so you can wait in our customer lounge while the work finishes.
Can I switch between 93 octane and E85 ethanol calibrations?
Yes, depending on your platform, APR offers multi-map switching capabilities or flex-fuel software that automatically adjusts ignition timing and fuel delivery based on live ethanol content sensors.
Can I return my vehicle to the stock tune later?
Yes, as an authorized dealer, we can re-flash your ECU or TCU back to the original factory file at any time.
Do I need supporting hardware for Stage 1?
Stage 1 software works on stock vehicles, though adding a high-flow intake or upgraded intercooler helps maintain peak power during repeated hard pulls in warm weather.
Precision Tuning. Serious Performance.
Open Monday - Friday: 8:00am - 5:30 pm at 110 Commerce Drive, Montgomeryville. Call 215-855-5565, or book your appointment online.