Shiftfast Automotive & Performance

Shiftfast Automotive & Performance Specializing in GM LS/LT based platforms including all types of LS/LT motor swaps. Subaru performance modifications,full engine builds, and Tuning.
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contact us today! Shiftfast Automotive & Performance has one basic goal, customer service! We here at Shiftfast feel that many of the local performance shops nowadays lack or forget that the customer comes first, period. Our approach to this is simple, an open line of communication. We strive to provide consistent updates on the progress of a customers vehicle while in our shop. You will have pie

ce of mind at all times knowing exactly what's happening to your vehicle while in our hands, we will never give you run-a-round or make you feel uncomfortable. We will treat your vehicle as if it is one of our own using only top quality OEM & high-end aftermarket parts, our techs will take great care when working on a customers vehicle and ensure that the job is done right the first time!

06/17/2026

To all my Subaru guy/gals, I have a company in need of a tuned up Subaru their words that will be featured in a nation wide commercial, pictures and filming will be done June 29th. They will not be driving the car. Only stipulation is it needs to be red and appear modified. They will pay you for your time!! Pm me your name, number and a pic of your car if interested!!!

2023 WRX in for Perrin Header and ETS joipe install. dialed in on Cobb making 355who and 281 torque. Car feels great pai...
06/09/2026

2023 WRX in for Perrin Header and ETS joipe install. dialed in on Cobb making 355who and 281 torque. Car feels great paired with the eta fmic and ets intake.

06/09/2026

464whp CAI, Longtubes, and flex fuel only!!

06/08/2026

464 whp with just long tubes, CAI, and flex fuel. Not bad at all.


06/05/2026

2017 Zl1 in for one of your BTR cam packed and tuning. She rips, readily to roll!!

06/03/2026

2021 Honda Type R on the dyno, full bolt one sporting a Pure Turbo update. Coming in at 396 whp and 324wt. of course all dialed in on Cobb!!!

2024 mustang GT S650 in for tuning. Solid gains for just a cold air intake and tune!!
05/22/2026

2024 mustang GT S650 in for tuning. Solid gains for just a cold air intake and tune!!

This 06 350z in for a tune, got it dialed at 323 whp and 295 ft. Lbs. of Torque!!
05/21/2026

This 06 350z in for a tune, got it dialed at 323 whp and 295 ft. Lbs. of Torque!!

Subarus, Yeah we do that, line up working on 5 at a time!!
05/20/2026

Subarus, Yeah we do that, line up working on 5 at a time!!

2 Fox bodies in, one for an engine build and Holley set up and the other for cam/heads!! Should both be on the dyno by F...
05/19/2026

2 Fox bodies in, one for an engine build and Holley set up and the other for cam/heads!! Should both be on the dyno by Friday!!!

Address

1140 East Black Street
Rock Hill, SC
29730

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

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