Akrapovic: Evolution or Slip-on Exhaust [C7 Corvette GS Z06 ZR1, LT1 LT4 LT5] oem connect The new billet WEAPON-X Valve

The new billet WEAPON-X Valve Covers are what you're looking for

Fade-Resistant Clear Coat

Fits all Gen 4 LS blocks with Katech squirter machining:

this cannot be cancelled after the order has been accepted

Porting provides the finely detailed attention required to bring the engine to the highest level of efficiency

Akrapovic: Evolution or Slip-on Exhaust [C7 Corvette GS Z06 ZR1, LT1 LT4 LT5] oem connect The new billet WEAPON-X ValveThe upper echelon of exhaust systems for the C7 Stingray, Grand Sport, Z06, and ZR1! Below is Mild to WILD!!! The WEAPON X C7 ZR1 lets you hear the Evolution system with stock cats in place, putting down 725whp with the addition of our X850 package! Our incredibly amazing 1000HP WEAPON7 was an absolute rock star, being the first LT 427 sleeved block engine with our Big Valve Heads, making over 620WHP on our Mustang Dyno and then had a 300 shot on top