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Upgrade your exhaust system with premium Chevy LS swap headers and manifolds, designed to optimize performance and sound. This collection includes options for classic cars, trucks, and LS/LT conversion projects, covering a wide range of Chevy models from 1932 to 2000. Whether you need long tube, mid-length, or turbo headers, our products are engineered for durability and power.
Achieve better airflow, enhanced torque, and unmistakable performance roar with these high-quality exhaust solutions. Perfect for restorations, swaps, or performance upgrades, these headers and manifolds deliver the results you expect for your Chevy build.
Long tube headers provide maximum performance gains at higher RPMs, while mid-length headers balance low-end torque and top-end power, ideal for daily driving.
Yes, the headers in this collection are designed for both LS and LT engines, ensuring compatibility with various Chevy builds and swap projects.
Power gains vary depending on your engine setup but can range from 10-30 horsepower with properly matched headers and a tuned exhaust system.
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Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!
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2029 Route 88
Brick, NJ 08724
ph. 732-276-8589 Mon-Fri: 8:00am to 6:00pm ET
customerservice@psiconversion.com
sales@psiconversion.com
Post sale tech support:
techsupport@psiconversion.com