Mast: LS7 285cc 4.125" Cylinder Heads [Camaro Corvette CTS V, LS7] WEAPON-X +10% Port:Yes Loudmouth Axle Back Angle Tip

Loudmouth Axle Back Angle Tip Exhaust System is the premier exhaust system for the CTS-V Coupe

The design of the GA3's center allows plenty of room for caliper clearance and extreme brake fitment

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This is great for a lot of reasons including more precise fueling

and increased wet flow capabilities while maintaining maximum factory compression ratio

Mast: LS7 285cc 4.125" Cylinder Heads [Camaro Corvette CTS V, LS7] WEAPON-X +10% Port:Yes Loudmouth Axle Back Angle TipTrying to improve on the best factory small block cylinder heads ever built is no small endeavor. And yes, GM's 12 degree LS7 castings are the best small block heads of all time regardless of engine make trumping even the legendary Ford Cleveland heads. With a full CNC rubdown, monster 2. 20 1. 61 inch valves, and raised 270cc intake ports to go along with a flat 12 degree valve angle, factory LS7 heads flow 360 cfm out of the box. That's big block