Power by Trifecta

Trifecta Performance specializes in delivering custom powertrain control module (PCM) programming to the high performance community. Trifecta Performance offers both local “dyno” tuning services in the Seattle, WA area , as well as mail-order custom PCM programming services.
Trifecta Performance has also developed a product, called the GT Tuner (see below), which allows car enthusiasts to perform their own PCM programming, quickly, safely and easily.

UPDATE (07/04/08) Happy 4th of July! Have a fun, and safe 4th of July.

We've signed up a few more dealers, check out our dealers section to see who've we've joined with to sell custom programming!

Own a Chevy HHR with a 2.2L? Want custom programming for it? Live in the Seattle area? Give us a call or send us email, we want to talk to you!
UPDATE (06/18/08) NEWS: Trifecta Performance now offering dealer and affiliate opportunities

Check out our dealers section. Dealers sell our custom programming in-house and affiliates are companies that offer products that benefit from custom programming and refer customers to us.

2007+ 2.2L (L61) programming now available (excl. Saturn Ion). We now offer custom programming on all L61 engines, from 2005 to present (excl. Saturn).

Now offering 6 speed automatic (6L90E) custom tuning with our exclusive handheld device, the GT Tuner. Yet another industry first for Trifecta Performance!
UPDATE (04/12/08) NEWS: LS1LT1.COM will host an online chat with us, on Wednesday, April 23rd, 8-10PM Central Time. Join us online to chat about all that is EFI tuning!

We are now able to offer custom programming for 2005-2006 2.2L engines (L61) in the Cobalt, and other vehicles. Our dyno results showed huge gains at the wheels and improved fuel economy! We're the only outfit around offering custom tuning for these engines. This tuning is being offered through Clear Image Automotive.

Clear Image Automotive is also selling our 2006-2008 Chevrolet Cobalt SS and Pontiac Soltice programming (2.4L). Check out their site today for more details!

Also, now offering custom tuning for the Pontiac G8GT!
UPDATE (02/25/08) Wow! We've been busy! We just added support in the GT Tuner for many "CAN" bus vehicles, including the LS2, LS3, and other Gen IV engines. We can now offer programming for these vehicles' engine controller (transmission controller programming will be available very soon). Custom programming for these newest generation "CAN" bus vehicles will be $299.99, but we will offer an introductory price of $250 for a limited time.
UPDATE (01/21/08) Lots of updates! We've added several cars to the customer dynos page, and a link to extensive dyno testing we did on a 2006 Pontiac Solstice, in conjunction with Clear Image Automotive, and Meridian Performance Services. Click here to see the full report! We don't support the Solstice in our GT Tuner quite yet, but will *very* soon!
UPDATE (11/07/07) NEWS: Trifecta Performance tunes the first 2008 Corvette to receive an STS twin turbocharger kit! Check out our press release here. Check back later, we have incredible video footage of this car on the dyno, and we will post it when it is edited!