Subaru Repair, Tuning & Performance Services in Summerville, SC
Collins Automotive & Performance is a Subaru and Mitsubishi specialist shop in Summerville, SC, focused on tuning, performance upgrades and engine building. We also handle full repair and maintenance on most Subaru, Mitsubishi and Nissan models, so the shop that builds your car can keep it running.
- COBB authorized dealer & ProTuners
- Certified IAG engine installer
- In-house AWD dyno
- Free consultation
Owner Matt Collins has 15+ years of hands-on Subaru and performance experience, from engineering school and aircraft manufacturing and testing to performance and tuning shops. Every job starts with a free consultation, and nothing is charged without your consent.
What services does Collins Automotive & Performance offer?
Pick the service closest to what your car needs. If you are not sure, send us the details on the quote form and we will point you the right way.
Dyno tuning
Custom tunes on our in-house Mustang MD-AWD-150 all-wheel-drive dyno, under real load with both axles driven.
Dyno tuning on an AWD dynoECU tuning & COBB protunes
COBB authorized dealer and certified ProTuners, plus EcuTek and open-source tuning.
ECU tuning and COBB protunesEngine rebuilds & IAG installs
Engine diagnosis, repairs, rebuilds and IAG long blocks from a certified IAG engine installer.
Engine rebuilds and repairsSuspension upgrades
Coilovers, lowering springs, shocks, struts and sway bars installed in-house, then aligned.
Suspension upgrades and coiloversWheel alignment
OEM and performance alignments on a John Bean V3400 with touchless targets.
Wheel alignment servicesFuel injector service
Injector testing, cleaning and flow testing at an ASNU injector service center, including GDI injectors.
Fuel injector cleaning and testingWhat performance upgrades do you install?
We install and tune the parts that make a real difference, and we sell most of them too. Every upgrade is planned around your goals, your budget and the tune that will tie it together.
- Intakes
- Exhaust systems
- Fuel system upgrades
- Engine management and COBB Accessport
- Suspension
- Clutches
- Transmission upgrades
- Minor custom fabrication
Which cars and platforms do you tune?
All tuning is done in-house on our Mustang all-wheel-drive dyno. Here is what we support today.
| Tuning platform | Makes |
|---|---|
| COBB ProTune | Subaru, Mitsubishi, Nissan |
| Open-source tuning | Subaru, Mitsubishi |
| EcuTek | Supported platforms on request |
We do not currently tune Ford, Dodge or Chevy platforms. See dyno tuning and ECU tuning for how a tune works.
Do you build engines?
Yes. Engine work is a core part of the shop, from repairs on a daily driver to full builds for a track car.
IAG certified installer
We are certified IAG Performance engine installers and dealers.
Custom engine packages
In-house engine packages built around your power goals and how you use the car.
Cylinder head packages
Custom cylinder head packages for builds that need more airflow.
Repairs and rebuilds
Diagnosis, head gaskets, timing and full rebuilds. See engine rebuilds and repairs.
Do you do regular repairs and maintenance?
Yes. Our main focus is performance and tuning, and we offer full repair and maintenance on the majority of Subaru, Mitsubishi and Nissan models. That covers check engine lights, diagnostics, brakes, clutches, fluid service and the routine work that keeps a car healthy between upgrades.
Every repair starts with a free consultation, and we never charge without your consent.
Our Promise & What to Expect
Every repair or performance job starts with a free consultation. We look at the car, talk through your goals and your budget, and give you a clear plan before any work begins. Nothing gets charged without your consent.
Services (hub) FAQs
What makes do you work on?
We focus on Subaru, Mitsubishi and Nissan, with some exceptions. Send us your year, make and model on the quote form and we will tell you if we are a good fit.
Do you tune Ford, Dodge or Chevy?
No. We do not currently support Ford, Dodge or Chevy platforms for tuning.
Can you do repairs as well as performance work?
Yes. We offer full repair and maintenance on most Subaru, Mitsubishi and Nissan models, along with our performance and tuning services.
Do you sell performance parts?
Yes. We sell the performance parts we install, from intakes and exhausts to complete stage packages.
How do I book a service?
Fill out the quote form or call (843) 376-7376. We work by appointment, so there are no walk-ins.
Ready to get your car in?
Start with a free consultation. Tell us what you drive and what you want out of it.