P1-Underground Tuning
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P1 Underground Tuning is a full service location that completes installs on all cars and trucks including engine swaps, go fast parts, long tube headers, etc.
We are located at 808 Jonesboro Rd West Monroe, LA 71292
Come on out and see us!
We want to welcome TPS Motorsports to the family! We will be doing a massive overhaul on our site to not only make it user friendly, but to offer their inventory as well.
With their parts and our tuning, you cant go wrong. And if you do go wrong, its ok, we still love ya.
To Mike and the crew at TPS, welcome aboard. We are happy to help.
09/30/2026
Welcome to boost weather! We are setting up 2 dyno days, where we can see who has bragging rights.
We have X-85 on site so lets see if you can make more than Marc's car, Bobby's car, or Shain's car. If we have Amy's car ready, that is the wildcard.
If you beat our numbers, we will give you a gift certificate to McDonalds for some chicken nuggies and fries. If you cant beat our number, you owe us chicken nuggies and fries.
2 days are set up for October
3 pulls for $125. (This doesnt mean 1 pull for 40 dollars ya cheapass)
Come have some fun! We will have bottled water and maybe even some drink mixes for that water. Depends if we go to the store or not. Lol
Just a gentle reminder of Shain's GT500.
Ok, let me preface this by saying we are in Louisiana. The DA for this run was over 3100. The temp was still 81 degrees.
The car is definitely consistent and I can't wait to wake it up on a full fuel system.
127mph in the 1/4
11.2 in the quarter. So close to my goal of 10's.
Now, let's talk about this race. I don't know who owns the red truck, but holy crap, whoever has that thing is a genius. That truck is crazy. He started strong and even put 3 busses on me. I didn't think I would catch up.
If you could have been in my car with me, I was pumped. Lol
09/26/2026
Marc is on to the next round. Barely.
Monicccccccaaaaaaaà
The 500 lit the 650 up!
09/25/2026
Either I'm yelling for Monicaaaaaàaaaaaa or I'm screaming, Lets go, Rome!!!!!!
Ok, rule of thumb for Bobby and Marc. We dont talk crap about other tuners. A win is a win and a loss is a loss. If we win a race, we dont gloat. If we lose a race, we congratulate the other person and usually the other tuner.
Everyone has different ways of tuning. As long as the customer is happy, we are happy.
Now, lets talk some crap. Some in house crap talking. Marc and Shain battle tomorrow night at at Twin City Raceway.
Marc's car is an S650 with a g2 kit, catless LTH and a 115 pulley. Shain has a 21 GT500. Both cars are tuned by Marc.
Marc seems to think his car is going to walk away from Shain. Little does Marc know, Shain's car is set up to decimate the 650.
If you want to see some good racing, come on out!
09/23/2026
Who is your money on?
Shain in his 21 GT500 or Marc in his 25 Mustang GT with an ESS!
Both cars will be on 93. No E between them. Shain's car will usually light up the track. Marc, this will be his first pass down the track with an ESS.
Both are tuned by Marc.
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Category
Website
Address
808 Jonesboro Road
Monroe, LA
71292
Opening Hours
| Monday | 12pm - 8pm |
| Tuesday | 12pm - 8pm |
| Wednesday | 12pm - 8pm |
| Thursday | 12pm - 8pm |
| Friday | 12pm - 6pm |
| Saturday | 9am - 5pm |
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