This woke up my truck! My 2014 GMC Sierra V6 4.3 used to be sluggish but after this I was able to make it go faster. It's not fast and the furious fast but just faster than what …

Love the product car has so much more power and still keeps it mpg!!!

Bought this for my TourX. Shift patterns are way better, and at speed acceleration is far more noticeable.  Definitely makes the car way more fun to drive.  Worth the price and w…

This is the way this car should have come from the factory. Afrer the tune it is so much more fun to drive. Very happy with the tune and highly recommend it to anyone looking to …

it worked out great.

I installed the SW about 3 weeks ago, and WOW. When I bought this car, I came from a 3.2L V6 gas VW Passat.  That thing moved, untuned. I just needed something bigger to tote my…

My car has a performance exhaust. This tune is everything they say it is, and takes it to a whole new level. 

I've been looking for a tune for quite some time and when I mean the trifecta tune was well worth it. I mean my car is sounding like a dam v8 and performance on the road makes th…

Much more responsive, and a noticably better power band, definitely makes the truck more fun to drive, and the customer service is excellent. the shifts are so much smoother …

I will keep this short and to the point. Other than a Flowmaster muffler, my 2022 Colorado ZR2 truck is stock in regard to performance and drivetrain and tires. I couldn't be hap…

Firstly, this company is phenominal! The customer service and quick response is worth the tune hands down. Secondly, the power i get from sport mode never ceases to amaze me. From …

Trifecta, Your customer service is outstanding. Your product is the best I have every used. My 2014 Sonic gas mileage is up from 28 City to 33 City, and from 35 highway t…