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527 Mammoth Rd, Londonderry, NH, 03053, United States
Get directions| Weekday | Schedule | Status | 
|---|---|---|
| Mon | 9:00 a.m. to 6:00 p.m. | |
| Tue | 9:00 a.m. to 6:00 p.m. | |
| Wed | 9:00 a.m. to 6:00 p.m. | |
| Thu | 9:00 a.m. to 6:00 p.m. | |
| Fri | 9:00 a.m. to 6:00 p.m. | |
| Sat | Closed | |
| Sun | Closed | 
Pat and his crew recently lifted my wife's WRX for her, and added some accessories. We're very pleased with the work, and they were really fast. They're currently rebuilding the frame on our son's '98 Impreza RS, a big job, but I know it'll turn out great!
Finally someone who knows what they're talking about with Subaru. Thanks Pat.
I've taken my STi here 3 times now and had no issues. It is the only shop I trust with it. They always keep me updated, the work gets done when they say it will, and the price is exactly what is quoted. I definitely recommend them.
I brought my car into 603 it had already been looked at twice by another place and they were unable to figure out the electrical problem. The team at 603 were able to figure out the issue, explain the problem to me and fix the car. They worked with me with the cost and were able to get the car finished in a timely manner. It’s hard these days to find an honest and professional repair shop and I am thankful that a place like 603 exists. They specialize in Subaru repairs but will look at any car that has problems. I would high... read more
603 Performance and Maintenance LLC has a 4.9 star rating with 104 reviews.
603 Performance and Maintenance LLC is closed now. It will open tomorrow at 9:00 a.m.
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