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December 2023 by John Rodrigues
Liars and Terrible Mechanics ! Stay Away From This Shop At Alll Costs ! They have no idea what they are doing , timelines for any kind of work are outrageous compared to any other shop ! Price Changes From Original Estimate to the Day Work is Actually Completed by THOUSANDS OF DOLLARS ! Welds and Pipe Work Are Severly Mediocre/Low Quality . Please BE AWARE and STAY AWAY ! FreedomMotorsportz in EXTON is 100x better .
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November 2023 by Alex White
Nice guys and do clean work. A great local tuner shop that can do a whole lot. Got a stainless steel custom exhaust here and she's minty. Clean welds, straight lines, perfect fitment.
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November 2023 by Tyler Shepherd
let me start by saying these guys are great! i brought my truck to them after getting screwed by another shop and these guys got on it. with parts issues, and some incorrect installs of parts (on my end) these guys did all they can to help me get this truck finished. theyre communication and professionalism is top notch. now my truck is not done yet cause of a failed turbo charger (on3s fault) and front main seal (definatly my fault on the seal) i’ll will be correcting it and bringing it back as long as i haven’t annoyed them enough lmfao. Art and Logan are 2 great guys that have awesome skill sets and don’t treat you any different because you may not be as knowledgeable when it comes to high performance, but yet they give advise and help further understand everything going on. give them a shot!
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September 2023 by Ibrahim
My experience was very good with Miller Mountain. I went there for some exhaust modifications for my pickup. Art is a very nice guy and all his crew. They also do state inspection and oil change and more auto work. You won't regret it if you go there.
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May 2023 by Wesley Francis
Was in a tight spot on a road trip with a broken wheel bolt. These guys stopped what they were doing to help me out and get me down the road. Nice honest people. Would recommend to anyone.
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February 2023 by Jovan Drabick
Super friendly and knowledgeable staff. I had them replace my throw out bearing and rear main seal on my Camaro. All went very smoothly. Very quick turn around time, and they spent all the time necessary to answer any of my questions. Even ones unrelated to the work being done. I would definitely recommend giving Miller Mountain a chance if you are looking to have work done on a car you wouldn’t trust any regular mechanic to do.
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February 2023 by johnny beelgle
Had an awesome experience with this guys doing some exhaust modification on my TRX. The work was done promptly, the pricing was fair and the entire staff was friendly and welcoming. Will be coming back again
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February 2023 by Tommy Brueningsen
Saved my car and saved me a lot of time dealing with a bad tuner had me in and out within a week with the car in perfect condition they spent over 19 hours fixing the old tune that was on itServices: Auto engine diagnostic
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January 2023 by Jackson Sullivan
I highly recommend this business, the owners and workers here take pride in there work along with have a passion for working on cars. If you need anything performance wise done to your vehicle definitely bring it down to MMHP! 10/10Services: Electrical
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December 2022 by Audrey Landis
Had headers installed and engine and transmission tuned.Would like to thank Art and Logan for the excellent service and workmanship. These guys definitely have the knowledge and know how to get things done right and in a timely manner I would recommend this auto shop for repairs and high performance projects. I also think I made a new friend there his name is Rocky the dog.Thanks for everything guys Mike LandisServices: Exhaust
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November 2022 by Michele Kohl
My family loves Miller Mountain. We drive two hours to have them look at our cars. Friendly, knowledgeable staff, trustworthy, reasonable prices and we always leave happy. I highly recommend them.Services: Oil change
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November 2022 by Ralph Murgia
Took my ’77 corvette to Miller Mountain. Ran it on the dyno and they were immediately able to boost the horsepower to where I wanted it. Very professional and highly reliable! Great car business and boost to Pottstown!Services: Brakes
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November 2022 by Jerry
Good group of knowledgeable car guys. They know engines! Very happy with their advice and service.
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October 2022 by Jason Shenk
Liars and bad mechanics all around. I cannot put everything here because it is too long but they damaged my car in multiple ways, had it for 114 days, did terrible quality work and charge way more than they should. They know zero about working on cars and claim my parts were wrong which they were not, they are simply incompetent. They didn't even install the correct spark plugs needed with the Procharger, didn't know where my schrader valve was (wanted me to buy new rails lol) and returned it with a super lean air fuel ratio. What a joke. Pics show the damage they caused and they couldn't even put my bumper on correctly. This is how it was returned to me! They were tuning it but didn't even have the ecu connected right.Yea, I lost money to these people but I am most upset with the damage that was caused to my car that they deny. I wish I could give more details but not enough room. If you have a nice car, please don't go here. All reviews that are positive are their buddies, guaranteed. This place should be out of business. They will respond and do the only thing they are good at, lying. Believe the bad reviews.
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October 2022 by Scott Dixon
Very helpful shop, they did a great job installing custom exhaust on my E 550 Mercedes. They also gel coated my calibers red and installed new cross drilled rotors and ceramic break pads. I would recommend them to any one that wants professional coustom work done
