Our Products

  • /
  • /
PSI Proformance
2015-2020 Shelby Gt350 Stage 1 Performance Package
$1,399.00
$1,399.00
PSI Proformance
Audi 3.0 TFSI Supercharged Stage 2 Package
$3,099.00
$3,099.00
PSI Proformance
2020+ Shelby Gt500 900x Stage 3 Performance Package 900Whp
$14,999.00
$14,999.00
PSI Proformance
2020+ Shelby GT500 PSI 850x Stage 2 Package 850 HP
$9,999.00
$9,999.00
psiproformance
Mclaren 720s X pipe Exhaust System
From $3,699.00
From $3,699.00
psiproformance
Lamborghini Huracan Evo/STO/Performante Stainless Exhaust System
$5,999.00
$6,999.00
$5,999.00
psiproformance
Mclaren 720s X pipe Exhaust System
From $3,699.00
From $3,699.00
psiproformance
Lamborghini Huracan Evo/STO/Performante Stainless Exhaust System
$5,999.00
$6,999.00
$5,999.00

Trending Now

psiproformance
Mclaren 720s X pipe Exhaust System
From $3,699.00
From $3,699.00
psiproformance
Lamborghini Huracan Evo/STO/Performante Stainless Exhaust System
$5,999.00
$6,999.00
$5,999.00

New Products

Shop Now

Gallery

Media Gallery
Maintenance Specials

10% Drivetrain services Thru 8-30-2024
PSI Proformance Referral Program

Earn Cash Back and rewards With PSI Proformance's Referral program, Contact us to learn more
APR Flash Sale

50% off Flash fee with the purchase of any Apr ECU and TCU flash Combo
Tuning Specials

$50 off Tunes With the Purchase Of Cobb Acessport or stage 2+ package

Top Reviews

PROFESSIONAL RESPONSIVE KNOWLEDGEABLE
Feb 05, 2024
Love these guys! Jose is super responsive with emails and helped answer all my questions. The crew is amazing and love to teach customers about what they are doing and explain things very well. They do amazing work for reasonable price and always want the best for you and your car. I will always recommend them to anyone in the PA area!
The Best Shop ever !
04/18/2024
This shop literally offers anything you can think of it’s mind blowing , No Shop can Compete with Psi I recommend them 100%
Custom Turbo Build
03/27/2024
The team at PSI Proformance are amazing, they put the bow on my 17 year-long build by delvering on my vision/dream. Hats off to them for sticking with this unique build and exceeding all my expectations. Their work is an art, not a job.. Thank you!