1. RM Motor Werks

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Knoxville, TN

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RM Motor Werks

4.4 (15 reviews)
Closed • 8:00 am - 5:00 pm

Services - RM Motor Werks

Auto electronics installation

Engine customization

Auto exhaust customization

RM Motor Werks Photos

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Recommended Reviews - RM Motor Werks

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3 days ago

they did a great job powder coating my calipers on a comp. yellow Z06 Corvettel Kudos to Josh and Michael

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2 years ago

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1 year ago

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2 years ago

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2 years ago

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1 year ago

Best service in town, work is consistent and timely. Their team is very nice and easy to work with

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1 year ago

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2 years ago

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2 years ago

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7 years ago

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4 years ago

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6 years ago

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8 years ago

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4 years ago

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7 years ago

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Review Highlights - RM Motor Werks

“Roddy managed to find 33 more horsepower than LS7's with the same modifications.”

Mentioned in 3 reviews

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i went here on 4/20/26 to see about 2 cars i have after waiting 5 min with no one coming to see…read morewhat i needed the owner the wife came in i ask abut the next door building if she knew who owned it or if it was for rent. with a nasty attitude and face she said mo building was for rent in canton her attitude was so unprofessional and rude i left i was looking at a another building up the street here comes her husband rude with a attitude what was i doing i explined was looking at the building with no signs and that i didnt know was his i started walkimg across across the street here she is yellimg i told you nothing was for rent callinf the police lol here husband yelling started across the street i told him i would take his behavior and walkimg toward me as a threat and warned him he better go back to his business. i left as i drove down the street she is cussing me yelling at me fu sticking her finger up in here business with kids in there yelling at me going down the street the most rude unprofessional hateful karens thinking they was somethimg i just was looking to move my business they will make me but a property beside them shut them down. all i did was ask a question imagine you really had a issue with these folks i have emailed all my business contacts and insurance companys t see if they do business with these unprofesssional people. people like this should never be in business i would Never reccommed this business or tell anyone to do business with them. i can see why they was so slow with attitudes like this

Mr Cool's AC Transmission and Brake Service - Glad to help you!

Mr Cool's AC Transmission and Brake Service

(55 reviews)

Fit me in their schedule, did a great job, a/c works great!!! They are friendly, honest, careful…read moreand skilled!

Ok. I have a transmission issue…read more Brought it in to determine the root-cause. They found an old (not cleared) thermostat problem that I fixed a year ago. It didn't totally close, thus not allowing the Cat o get up to temperature quickly enough. I replaced for $25 and 45 minutes, easy. Check-engine light disappeared. But obviously the code locked in. And also they said I needed a full replacement transmission. Which I don't deny may be required. , sorta. I am 71 years old, done professional car work since 17. The ONLY reason I am not doing this myself is age. But that said, before I would tear down anything I would already know what component is bad. A valve, cam sensor, etc. My symptoms are of a valve-body stuck valve, causing the clutch(s) to not fully engage. Thus I wanted a more concise explanation for why I should give them $5,000 - $6,000 to replace the entire Xmission. I really should have had a talk with the trained mechanic that could go into depth about the detailed reason it is giving me problems. But I got the worker at the register explaining the estimate to me. I have 100% confidence she has ZERO true mechanical knowledge/training past what to say. She should have called the Tech to talk to me. Had that happened I would have set an appointment to have it replaced. But given the weak thermostat ($330) ghost diag, I had zero confidence about the rest of their work. Reminds me of "give a kid a hammer and everything looks like a nail".

RM Motor Werks - autocustomization - Updated October 2026

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