If you're building a serious LS engine, this LSXrt manifold is exactly what you need for some serious horsepower gains. Designed specifically for LS3 engines with that massive 102mm opening, the high-flow runners are engineered to move some serious air for maximum power output. This isn't your average stock replacement - we're talking about a performance manifold that's built for high-horsepower applications where airflow is everything. The construction feels solid and professional-grade, like it can handle the demands of boosted or high-RPM applications. The package comes in at 24x24x15 inches, so you know you're getting a substantial piece of equipment. Whether you're building a track monster, a drag car, or just want to maximize your street engine's potential, this manifold is designed to deliver that top-end power you're chasing. It's the kind of upgrade that serious LS builders look for when they need that extra edge in airflow and performance. The design focuses on optimizing that air path from throttle body to cylinders, reducing restrictions and improving volumetric efficiency. If you've done the basic bolt-ons and are ready to step up to serious power components, this manifold should definitely be on your radar. Just make sure you've got the supporting mods to take advantage of what this thing can deliver!
Free 30-day returns 
Free 30-day returns
