THE BEST PERFORMANCE SHOP and FUELTECH TUNING IN COLORADO. I have referred more people then I can…read morecount no one has had a bad experience. These guys have decades of experience in the industry they always go above and beyond to help people! They touch vehicles 99% other shops would turn away they truly care about their customers and their projects.. There passion for automotive performance reflects their work ethic and knowledge.

PFI is a nexus of performance building, tuning, testing, and fabricating located in the front range…read moreof Colorado. Brent is a keystone of this business although he would likely point out that any of the others there are just as important as he in its success. His constantly upbeat and happy personality is a welcome change from the normal dark and crotchety operations found in traditional speed shops. Import tuning is a big part of their specialty historically, but do not let that fool you, they have expertise in every disciplined motor sports. They can tune anything from a single cylinder motorcycle turbo shopping cart to your big inch V8 trophy truck. Check out their YouTube channel as well.

Highly recommend! Very reliable and efficient! Had several issues with my dodge that they were able…read moreto diagnose and fix in the same day!

Incredible service by people who know how to service vehicles properly. They are excellent at what…read morethey do and provide top-notch customer service! This is my go to mechanic shop in all of Weld County! I work on my car when I have time, but if I don't have time, Automotive Services of All Sorts is the shop I take my cars to!

Mike Schroyer the Owner of Mile High Country 4x4, just replaced both catalytic converters and…read moreswapped out my exhaust to something special and custom. My Commander sounds awesome! It's going to turn a lot of heads. You can feel the exhaust when you step on the gas making my Jeep Commander feel like a beast! We still have to replace the O2 sensors but those are ordered and on the way. Can't wait till it's all done. It's like driving a new vehicle! Thank you Mike for all your hard work and the care you take when working on your client's vechiles. You are a master at your craft! I recommend Mike for any and all jobs you may need. He has done several smaller jobs for me and has been more than fair regarding cost and he does amazing work. He really cares about his clients.

Everything that I have taken to Mike has to get redone I trusted him to fabricate a box for my…read moretrailer and was charged $700 I trusted him and paid him in advance only to get the worst quality ever. It is falling apart. It does not even fit the generator. And he only made excuses for the poor job that he did. Saying and I "I know that it is not a good job I can fix it another time" he gives out piss poor Work out of a storage unit. His own family members has warned me not to trust him and he scams people and I still went against What they said thinking that they were being vindictive. All reality I should have listened to the warnings. If you do any business with him at least you know now someone warned you.

I have only dealt with one of the owners, Nathan, but have had nothing but the best service. He…read morehelped me out when I needed servicing done on my diesel and was able to complete extensive projects in the matter of two days. Killswitch returned my vehicle running the best it had in years. Honest people, fair prices, and top-notch mechanics. I can say with sincerity that I've found my preferred Colorado diesel and regular automotive mechanic.

Thank you so much for such great service and on a Sunday. This shop responded quickly to my request…read morefor service, fixed my fuel line and charged a reasonable fee. We would recommend this shop to anyone.

Jay is truly a professional guy. Working with German cars is not everyone's cup of tea, but this…read morefamily-owned business is quite good at it. Regardless of the brand or model, you can confidently bring any car here.

I have owned many vehicles and regardless of what the car needs, whether it be new paint on the…read morehood or a quick tune up, I know that Jay at J&C will always care for my car as if it was his own. They are always upfront about their prices, honest, and always very fair, which is hard to find someone you can really trust. It really is an all around shop with very knowledgeable employees who can do it all.

My exhaust system needed some welding done so I called these guys up and they were able to see me…read moreas soon as possible! Super efficient and very straight forward. Got me in and out in record time! Also the price is very reasonable and fair. I highly recommend these guys if you need any muffler work done! The only thing I didn't know was that they don't accept credit cards. Luckily the work was inexpensive and there was an ATM at the shell gas station across the street.

This smaller shop in Loveland is great! They took care of my Cadillac. Did my transmission fluid…read morechange and I couldn't be happier to get help with that at this time. I appreciate the great service! See you next month for my coolant flush.

How can you find an honest auto mechanic that you can trust? Start at Triad Power Systems…read more I've been a loyal customer for several years. They've always done good work on my vehicles, and have shown integrity at every opportunity. At some other shops, you may feel pressured to do unnecessary work, but that's never a problem at Triad. They've only recommended things that were really needed. In fact, sometimes they've cleared up a minor concern or glitch and refused payment. (Compare that to many shops that charge $80 or more just to look at your car.) The people at Triad are consistently friendly and practical, and I'm happy to have them available as a mechanic shop I can trust. They are truly focused on treating customers like family.

I cannot say enough good things about Friesen's!! My son is a student at CSU and has car issues…read more He's been here 3 times now and never once have they tried to sell us something we didn't need or charge a ridiculous amount! Not to mention how nice they are. Definitely recommend!!

Great service and great staff! I would easily recommend going to Friesens for any of your car needs!read more