LSXr LS3 L92 Car 102mm Intake Manifold (Black) Testing shows that a near stock LS7 engine (w/ FAST 102mm Intake & Throttle Body) produced gains of 16+ horsepower; a 500cid LS based engine gained 26+ rear wheel horsepower Modular design allows fast & easy disassembly & features the ability to remove individual runners for porting Constructed from advanced polymer material that offers a host of benefits over aluminum aftermarket intakes, including lighter weight, increased strength & improved heat dissipating characteristics 102mm air inlet that is perfectly suited to FAST Big Mouth / Big Mouth LT Throttle Bodies Integrated nitrous bungs & a precise bolt-on fit that permits the use of factory accessories & OEM fuel/emission connections w/o adjustments or clearance issues