Last year at the SEMA show in Las Vegas, GM Performance Parts made big news with the debut of its E-Rod program of smog-legal crate engine packages. The concept involves using production-based performance engines coupled with their own engine management controllers and wiring harnesses, along with exhaust manifolds and catalytic converters, evaporative emissions canister and […]
The rise of GM’s LS-series Gen III and Gen IV V-8s as the preferred high-performance engine for hot rodders and racers has really gained steam in the last several years; it’s no longer just for guys running late-model street performance cars. Now, in addition to the swapping that has become rampant with street rods and […]
SLP was essentially born back in the days when it looked like smog controls would make it impossible to tweak and tune modern muscle cars without running afoul of the law. Smog-legal headers, exhaust systems, intake manifolds and more were all part of the mix, and the company eventually developed a relationship with General Motors […]