Welcome to American High Performance,
your #1 American Muscle car performance and service center in the DMV!
Modern and vintage American muscle cars are the focus of American High Performance. Performance upgrades are our specialty. From small improvements like a cold air intake to building 1000+ HP street demons, we came make your dream car come true. We know your car inside and out and will maintain it in top performance as well.
We’re often booked weeks in advance so get your appointment reservation early. However, there are times we can work a small job in here and there when the opportunity presents itself so call soon. To get a quote on taking your vehicle to the next level or schedule a repair or even an oil change, call us at (703)339-7412 or email estimates@americanhp.com today!
We are situated on Terminal Road in Lorton, Virginia, just off the I-95 Fort Belvoir exit. We can set everything up with a phone call and offer online invoicing. GIVE US A CALL. WE WANT TO HEAR ABOUT YOUR PERFORMANCE DREAMS!!!
ALL AVAILABLE PERFORMANCE UPGRADES
PLUS TOP QUALITY MAINTENANCE
Address
American High Performance
8480 Terminal Rd
Lorton, VA 22079-1428
(703) 339-7412
Shop Hours
Mon-Fri: 9am-6pm
Saturday: 9am-4pm
Sunday: Closed
Directions
Payment Types
Affiliates
About American High Performance Lorton, VA
For most people, auto maintenance and repair is not fun or convenient. Most performance enthusiasts, while anxious to experience the exhilaration of improved power and handling, have neither the equipment, knowledge or skills to perform complex upgrades. AHP does. We are the best in the DMV at upgrading and maintaining America’s best muscle cars. And we want make the process as easy and enjoyable as possible for you. We genuinely care about your car and your experience, and it shows. Our first-time customers continually become our long term customers time and time again, choosing us for all their auto needs.
We’re committed to performance and to serving you with quality and value. Bring your car in today for an inspection, and see what our commitment to quality is all about! We may not be related, but you’ll feel like we’re family.
The Absolute Best Car Service in Lorton, VA
Our mission is simple: to provide the best products and service to our customers at the best value possible. We take great pride in our company, our commitment to customer service and in the products we sell. We know and only offer the best performing components for your vehicle.
We specialize in modern American Muscle including the Mustang, Camaro, Corvette and all Dodge Hemi vehicles, the Challenger, Charger, 300C and Jeep SRT8. Our American performance shop serves the Northern Virginia, Washington DC and Maryland area with expert installation services.
Recently Serviced Vehicles
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2015 Ford Mustang
Mileage54,295Service Date11/5/2024Services Performed- Check car over and document any maintenance or safety issues; also document any modifications observed – battery dead; replace – cold air intake installed – plugs & coils are aftermarket – x-pipe replaces mid-resonator; single chamber mufflers rear – H&R springs – cold air intake; cone air filter damaged; large hole in end; replaced – all other systems check good; stalling issue is in the tune
- Remove & replace battery
- – ran fine for the first year – began to stall; dealer poked around & wanted to return to stock – starts cold or hot but then stalls – hesitation on part throttle Issues Found: – hole in end of filter cone letting in unflitered air; replaced – appears to have an aftermarket tune in it which is running it rich; customer has no tuning device to return it to stock
- – was able to clear tune and return to stock – MAF curve is off 10-15% due to poor air inlet design; running 10- 15% rich; corrected with short/long term trims – test drove & data logged thoroughly – starts smoothly & runs good throughout power band
Mike W. gave our service a 5 star review on 11/5/2024 -
2022 Ford F-150
Mileage20,809Service Date9/27/2024Services Performed- Post Purchase Inspection
Mark J. gave our service a 5 star review on 9/27/2024 -
2012 Ford Mustang
Mileage67,696Service Date8/7/2024Services Performed- Found Cylinder #4 Ignition Coil Unplugged, Reattached and Code Did Not Return
Keith B. gave our service a 5 star review on 8/7/2024 -
2019 Chevrolet Corvette
Mileage47,136Service Date7/17/2024Services Performed- – Found Broken Spark Plug Wires – Resistance on Spark Plug in #7 was not Congruent with Rest – Datalog Showed Random Misfires on All Cylinders
- SPARK PLUGS – Remove & Replace
Marcus S. gave our service a 5 star review on 7/18/2024 -
2024 Ford Maverick
Mileage1,206Service Date3/14/2024Services Performed- Modify user parameters to remove speed limiter; load performance tune
John G. gave our service a 5 star review on 3/14/2024 -
2009 Dodge Challenger
Mileage56,420Service Date3/4/2024Services Performed- – refrigerant level low and compressor not activating – serviced system to get it working and checked for leak – examined complete system & found AC condensor leaking – S/C intercooler radiator which sits in front of it had shifted back into it and rubbed a hole – replace condensor & correct intercooler interference
- – remove front end of car; valence, bumper, etc – remove s/c intercooler – remove & replace condensor – modify intercooler mounting to provide more clearance from condensor > modify radiator core support to allow s/c charged air ducting to align properly > modify bumper bar mounting to provide more space for I/C to move forward; incl fabricating spacer plates for bumper mount – replace s/c/accsy drive belt while system disassembled – assemble & test fit several times
- Replace both front headlights
- Change oil & filter
- Check car over and document any maintenance or safety issues – recommend changing accessory/SC drive belt (aged) – hood struts weak; hood fell down while working; recommend replace – tires worn; rear tires down to limit marks; front tires still have tread but abnormal wear on edges; recommend alignment; also 11 years old; recommend replace all
Al W. gave our service a 5 star review on 3/4/2024 -
2018 Jeep Grand Cherokee
Mileage60,354Service Date12/13/2023Services Performed- – Test drove vehicle multiple times – Data logged performance with computer – Unable to replicate problem – Unable to get to 6th gear @ WOT safely in local road conditions – Recommend run on all wheel dyno to try to replicate .
Paul S. gave our service a 5 star review on 12/13/2023 -
2004 Ford Mustang
Mileage113,295Service Date11/30/2023Services Performed- Check upper & lower control arm bushings
- CONTROL ARM – Remove & Replace
- Rear Axle Alignment
- Fuel Charge
Gerald S. gave our service a 5 star review on 12/1/2023 -
2014 Ford Mustang
Mileage58,530Service Date11/22/2023Services Performed- Install clutch & shifter
Bryan F. gave our service a 5 star review on 11/22/2023 -
2017 Ford F-150
Mileage36,250Service Date9/13/2023Services Performed- – P04DB: crankcase ventilation disconnected – U0284: Lost comm with active grille – Found PCV line at psgr side cam cover leaking; bad o-rings; replaced with new Ford fittings – test drove; no codes pending; readiness monitors still completing
Sharon S. gave our service a 5 star review on 9/13/2023 -
2019 Dodge Challenger
Mileage52,811Service Date9/1/2023Services Performed- Remove and Replace Cat-Back Exhaust
- Install CAI
Michael W. gave our service a 5 star review on 9/1/2023 -
2015 Chevrolet Corvette
Mileage21,405Service Date8/17/2023Services Performed- – Idle uneven after coming to a stop – Clutch chatters (19K miles)
- – vehicle has a fuel pump flow code, P2635 – tests on vehicle show steady fuel pressure above idle but highly fluctuating fuel pressure at idle – datalogs inconclusive due to tuning software error
James P. gave our service a 5 star review on 8/17/2023
