Walker Performance
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Certified Advanced Tuning for GM Gen III/Gen IV LSX & Gen V LTX platforms. In person, remote and mail order tuning are available.
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Stopped by and knocked out some tuning on Russ’s ZO6, in order to do a first startup.
This car is basically a C6 with a C5 Body. Everything from top to bottom has been touched. One off custom pieces everywhere, suspension, custom cage, hand tig-welded 3” exhaust done by Garrett at KWO, dry-sump conversion… A LOT of talent was put into this car.
That beautiful symphony is brought to you by a 408ci stroked LS3 assembled in house at KWO, featuring a 400ci + camshaft and supporting valvetrain. It breathes from a custom, OTR ram-air intake and exhausts through a set of 2” LT’s.
There are a few things to button up, but we’ll be breaking it in on the street next week, followed by some track tuning after the break in period.
Thanks to Kent and staff for allowing me to be a small part of this big project. Your knowledge and hospitality is always appreciated.
08/06/2025
This '16 Denali XL came in this morning for some bolt on performance and a custom tune. We had it ready to go and it was picked up on the same day.
For starters, we installed a Volant Performance CAl w/ the Power Core Filter.
After that, we vastly improved the exhaust note and performance with a full stainless cat-back system from CORSA Performance.
To finish things up, I added custom tuning using HP Tuners to wake up the L86 engine and completely changed the driveability of the 8L90 transmission.
This is a great recipe for all around performance, improved economy along with night and day driveability.
If you're interested in having these services performed on your vehicle, send a direct message or email me at [email protected].
Thanks to Jay at for allowing us to get the Yukon set up!
Thanks to Elijah Gaddy for working with me this week. Your help is greatly appreciated!
Cold start in the comments!
Thank you to remote tuning customer Lionel S! He was having issues and I was able to get this Holley Terminator X equipped C10 fired up for him. Listen to that 6.0 count them off!
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Gainesville, GA
30506
Opening Hours
| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |
| Saturday | 8am - 5pm |
