1 7/8' x 3' Long Tube Header & 3' Double Helix X-Pipe Combo For 2014-2019 C7 Corvette | Worldwide delivery

Ideal for the track and Race inspired C7 Corvette Stingray enthusiasts, Cornerstone Performance has released it new header & Double Helix X pipe combo! This header is designed for optimized exhaust gas flow and maximum power. This Header is recommended for track/off-road use only. You will feel the difference the Cornerstone Performance header has to offer upon removing it from the box, with weight savings of almost 15lbs over factory cast manifold.  Built with the highest quality, designed for optimal flow to produce amazing sound and powerful gains. Paired with our popular Double Helix X-pipe this exhaust system will give you the weight savings, increased sound and performance you have been looking for! 

Long Tube Header Features:

• Includes gaskets for a leak-free exhaust seal
• Constructed from T304 stainless steel
• CNC mandrel-bent primary pipes for maximum horsepower & torque
• Direct bolt-on replacement for the OEM headers
• Aggressive Deep Sound while Ensures Smooth Exhaust Gas Flow
• 3' ID Inlet Ball Flange.
• Bolts to stock & aftermarket X pipes that have a ball flange
• Works with factory exhaust
• Eliminates resonance and exhaust drones
• Mandrel bend design
• Easy bolt-on installation
• 100% premium grade stainless steel for long-lasting performance
• Unlocks up to 20HP/15ft-lbs of torque

Double Helix X-Pipe Features:

• Works with factory exhaust
• Eliminates resonance and exhaust drones
• Mandrel bend design
• Easy bolt-on installation
• 100% premium grade stainless steel for long-lasting performance
• Unlocks up to 20HP/15ft-lbs of torque 

WARNING: These pipes are not street legal in the United States to be run on DOT roads and violate the Clean Air Act which states vehicles in every State in the US must have federally compliant catalytic converters on them. We are selling these pipes to our race car customers for track use only on non-street legal race cars for use in sanctioned events. For EPA legal, high flow catalytic converters ask us about our Green Cat options.