New England’s Premier GM Performance & Upgrade Shop
Engine Builds, Powertrain Swaps & Calibrated Performance Upgrades
KTR Performance specializes in late-model and classic GM platforms— from Corvettes and Camaros to Chevy trucks and performance SUVs.
Precision GM Performance.
Proven Results.
Welcome to KTR Performance — New England’s trusted GM performance and tuning shop.
Every KTR build starts with one goal: creating performance that fits the driver. With decades of hands-on experience across GM LS and LT platforms, we know how to deliver results that balance power, drivability, and reliability. Whether you’re after refined street manners, a balanced weekend setup, or all-out performance, every project is approached with the same precision and care.
We combine proven methods with meticulous calibration — from powertrain swaps and supercharger installations to dyno tuning and custom fabrication — ensuring each system works together seamlessly for dependable, real-world performance.
KTR Performance is proud to be a part of the Lingenfelter Authorized Installer Program. Renowned for their superior quality and advanced performance solutions, Lingenfelter products set the benchmark in the automotive industry. We now offer expert installation of their C8 Corvette Supercharger kits and Truck and SUV Global A&B products, delivering the high-performance upgrades you expect from Lingenfelter.
Supercharger Packages
Services
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Engine Building
We begin with a deep understanding of your vehicle's potential, guiding us as we craft each engine in-house. For street supremacy or track domination,we have the knowledge and expertise to push beyond factory limitations. Backed by industry-leading suppliers, our engine builds are a testament to performance and reliability.
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Performance Upgrades
As a certified dealer and installer of Magnuson and Whipple, we offer a wide selection of upgrades, from turbochargers to superchargers, suspension upgrades, and exhaust systems, tailored to elevate your driving experience. Our expert team ensures precise installation of the perfect solution to match your individual preferences and driving needs.
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Powertrain Swaps
Revolutionize your driving experience with tailored Powertrain Swaps. Say goodbye to sluggish acceleration and limited performance with our expertly executed engine swaps and transmission conversions. These swaps eliminate common performance bottlenecks and deliver enhanced power and responsiveness on the road.
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Dyno Tuning
Optimize your car's performance with our advanced Dyno Tuning service, utilizing the cutting-edge Mainline ProHub AWD Chassis Dynamometer. Unlike traditional dynos, the ProHub Dynamometer connects directly to your vehicle's axle hubs, eliminating wheel and tire-related variables for absolute accuracy.
Certified Dealer & Installer
We teamed up with Magnuson to bring you the pinnacle of supercharging technology. As a certified dealer and installer, we offer unparalleled expertise in enhancing your vehicle's performance with Magnuson's industry-leading supercharger systems. Experience the thrill of increased horsepower and torque, all backed by Magnuson's renowned reliability, quality, and warranty.
Environmental Commitment
We believe in enhancing vehicle performance while also maintaining emissions standards. That's why we exclusively install performance parts that meet the rigorous SEMA Certified-Emissions test. This certification ensures that our products adhere to the EPA's "reasonable basis" criteria, making them legally compliant for sale in 49 states.
As proud members of SEMA, we're dedicated to upholding emission standards in all our projects. In a world where high-performance vehicles can also be emission-compliant, we strive to keep your vehicle environmentally friendly while maximizing its power.
By choosing KTR Performance, you're not just boosting your vehicle's performance – you're also contributing to a cleaner, greener future. With our performance upgrades, we can even improve the emissions on older vehicles, ensuring they run more efficiently and eco-consciously than ever before.
Our Facility
KTR Performance is located in a cutting-edge 3,000 sqft facility, secured within gated premises. Equipped with a Mainline ProHub AWD dyno, our state-of-the-art facility ensures precision tuning for peak performance. We utilize HP Tuners and Holley EFI software to calibrate ECUs, guaranteeing optimal engine functionality. With Mohawk 2 post lifts and an overhead crane, we facilitate a broad spectrum of services, including frame replacement and body swaps. Our commitment to quality extends to GM Factory level diagnostic software, enabling us to provide unparalleled service on late-model GM vehicles, matching the capabilities of a GM dealership.
WHO WE ARE
At KTR Performance, we're more than just a performance shop - we're automotive enthusiasts driven by a passion for innovation and excellence.
With a wealth of experience and a dedication to pushing the boundaries of automotive performance, we're here to elevate your driving experience to new heights.
Why Us?
Choose KTR Performance for unparalleled expertise, precision craftsmanship, and a commitment to exceeding expectations.
From meticulous attention to detail to industry-leading solutions, we're your trusted partner in unlocking the full potential of your vehicle. Experience the difference with KTR Performance.
What We Do
We specialize in a comprehensive range of automotive services tailored to meet your performance needs.
From engine upgrades and Dyno tuning to powertrain swaps and custom fabrication, our expert team delivers top-tier solutions designed to optimize your driving experience.
Contact
Ready to elevate your driving experience? Get in touch with us today to discuss your automotive needs. Whether you're looking for performance upgrades, Dyno tuning, or expert advice, our team is here to help. Reach out to KTR Performance and take the first step towards unlocking the full potential of your vehicle.
46 Route 13
Brookline, NH 03033
kyle@ktrautomotive.com
(603) 769-8614