The first honest place to take your vehicle when your interested in upgrades or modifications for better performance. The owner is very personal and down to earth which makes the experience much more pleasant and he breaks things down to where you can understand each and everything that your trying to do. I highly recommend this Business for anyone who is interested in any type of mods or upgrades.

A superb company that stands behind quality products. I bought an MGW-P shortshifter from them. It arrived on time, as expected, with excellent build quality and machining. The shifter itself feels amazing and made my 05 GTO that much more fun to drive daily.Mike is a very kind and knowledgeable guy who will take the time to answer your questions professionally and provide his expertise. Definitely a great resource for performance needs.

Mike definitely got it under control

Great shop and they know performance stuff inside and out

Mikes at Proxses are excellent! We are super excited to drive and race with the new tune!! Thanks so much, guys!

Team / mechanics know domestic cars very well.

Kind and knowledgeable staff.

Tuned Cadillac Escalade. Runs and idles much smoother and accelerates much better. Great job.

Former Automotive R&D engineer by trade. Builds cars right. Has become a household name in the Dayton car community but also well beyond the borders of the state - Im continually surprised when people in PA, MI, IN, KY, etc ask who did the work and know the name well. This shop stays busy due to high demand so plan appropriately. You will be happy you picked them.

Great service and quick response time. They were willing to go out of their way to help me over a year after they tuned my car.

Just had them tune my Charger after having long tube headers installed and wow, what a great shop. Mike is a great guy and they have some sweet toys in there shop. I highly recommend this shop for performance. My charger is a whole new car. Much smoother shifting and really opened the 5.7 Hemi up and lets it breathe.

Mike rebuilt my LS2 after it spun a rod in a high-g force corner, starving the engine of oil on a road course. He works with machine shop for boring and honing and did fantastic work. Dnyo tuning after getting the engine back in, we found the previous (local) tuner didnt tune for both speed density and MAF, Mike did- which helped me later when I switched intake setups and had to run Speed Density for a while before installing a different type of MAF.

Wish i could put no stars. Car was at least drivable when it went there and came back on a tow truck. Going to have to have the computer reprogrammed and another tune done, costing $600, just to get it driving again.

Mike tuned my 2004 CTS-V. He knows his stuff! I gained 45 whp after headers, exhaust and tune. Car pulls much harder now, very satisfied.

Excellent service

They guys over there are super knowledgeable and very friendly to deal with.

The only place Ill take my car when I cant tackle it myself! Best tuner in Ohio hands down. Heres some photos of the motor they built for my 2005 GTO.

Brought my 2011 Camaro SS in for a tune after installing a Cold Air Induction cold air intake (CAI). They did a great job. The cars rwhp prior to the CAI was 362 and the rwhp after the CAI install and tune is 401. I could not be happier. I bought the car used and they were able to tell me what the previous owner had done to the car in terms of mods (that had been removed before I bought it) and corrected the tune for the current configuration. They also made many suggestions for future mods. I 100% endorse them.

The guys here know what they are talking about recommend 100%

We work with Proxses regularly on numerous collaborative projects. You will be hard pressed to find a place with greater knowledge and skill anywhere. Im glad Mike Pernia and Proxses Tuning are in Centerville and not California.

I went to Mike at Proxes a little apprehensive since my 01’ Z06 only has 10k orig. miles and I’m a bit ocd and picky LOL. I took a chance cuz I wanted to feel excited about my car again. NO REGRETS!!! I had two goals in mind and that was to get a show quality install AND over 600rwhp. Mike knocked it out of the park with a BEAUTIFUL install that was even better than my expectations AND the car made 629rwhp:) Mike did a full supercharger kit, meth injection and several other things that I am very happy with. Thanks again Mike!

Purchased a MGW-P shifter and received it well within the stated four to six week delivery time frame.HOLY CRAP the quality of the shifter is incredible. The feel is mechanical, notchy, and solid.The throws are the perfect length.I highly recommended the MGW-P shifter for ANYONE considering an aftermarket shifter.

Mike does a great job of getting the most power out of your car within your budget. He also tunes cars on his dyno in house.

Great dyno & experience in tuning.

Chassis dyno!!!