Welcome to LED Performance! Engineering performance for ATVs and off road motorcycles since 1982.

Here at LED we specialize in high performance 2-stroke exhaust systems. We offer a variety of exhausts systems for several different applications and engine sizes including TRX250R, …

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We offer a high performance custom engineered engine kit available for competition chainsaws. Our kit is custom designed based application and matched up with out exhaust system.

After 26 years of building LRD, Arlan decided to spin off the service business and create LED (Lehman Engine Dynamics) Performance. Throughout the 80s, 90s, and into the new …

Welcome to the LED online store! Currently we only offer shipping in the United States from our website. Please call us at 503-522-2465 for orders outside the U.S. Exhaust systems will ship …

If you ride high-speed deserts, we want to give you performance in the mid range and great top-end power. We do not force a “One-Size fits All” engine package onto our customers because …

ATC250R Engine LED Sphinx 300 kit LED Sphinx 300 kit. Out of stock until end of December 2025.

$649.95 Exhaust Honda TRX250R Big Bore Pipe 350G LED 350G pipe. For use with motor sizes of 330-390 Best for dunes, ice racing, TT, and MX. Price is for the pipe only.

Thank you for your interest in our products! Hours: Monday-Friday 9AM-5PM PST Phone: 503-522-2465 Email: [email protected] Address: 2200 NW Birdsdale Ave Unit 1, …