WEAPON-X: 370cfm LT4 4.065" Ported Cylinder Heads [Camaro ZL1, Corvette Z06 ZR1, CTS V, LT4 LT5] Stage:Stage 3 Large Port CNC & Hand Finished MagnaFlow Performance mufflers are 100%

MagnaFlow Performance mufflers are 100% polished stainless steel and lap-joint welded for solid construction and rugged reliability even in the most extreme conditions

It increases plenum volume 63 cubic inches

Engine Coolant Temperature

lead times can be up to 15-25 business days to ship

then compressed and the CNC load cell measures the force for a variety of spring lengths

WEAPON-X: 370cfm LT4 4.065" Ported Cylinder Heads [Camaro ZL1, Corvette Z06 ZR1, CTS V, LT4 LT5] Stage:Stage 3 Large Port CNC & Hand Finished MagnaFlow Performance mufflers are 100%The 2015+ LT4 and LT5 C7 Corvette Z06 ZR1, 2017+ 6th gen Camaro ZL1, and the CTS V gen 3 all share the powerful LT4 engine and out of the box, have some very high flowing heads with approximately 295 cfm. For some of us, this is just isn't enough. We need more flow, a more aggressive cam, and want to see 700+ WHP with the OEM blower and 1000+ WHP with aftermarket superchargers. Here's what we do! Fully CNC ported intake and exhaust ports, custom