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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.
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.
Shipping Policy
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, most items will ship within 1-2 business days, unless otherwise noted in the product listing. Special Orders lead times (i.e. time to ship) will be discussed over the phone with the customer.
Any orders over $99 ships free* to the contiguous 48 states (excluding Alaska and Hawaii). Orders receiving free shipping will be shipped via ground. International and orders requiring freight shipping do NOT qualify for free shipping.
*Note: Any item requiring freight shipping does not qualify for Free Shipping.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.). You should expect to receive your refund within 24-48 hours of us receiving your return.
NOTE: Original costs of shipping the item to you will NOT be refunded.
Please keep in mind the transit time for us to receive your return from the shipper (5 to 10 business days) and the time it takes your bank to process our refund request (5 to 10 business days).
Once we receive your return request, we will respond quickly with a status update, RMA (Return Merchandise Authorization) number, and instructions for how to return items from your order. You may also find the instructions for returning items as follows:
- Place, secure, and seal the item and any instructions, warranty, or other documents in its original packaging & box
- Place the original product, within its box, inside another box
- Use a black Sharpie, or other distinctive, bold pen, to write your RMA number on the outermost of the box (e.g. "RMA# 567)
- Take the box to the shipper of your choice
- Please retain a copy of your shipping receipt and tracking number
Once we receive the item, we will issue a refund to your original method of payment within 24-48 hours.
Under certain circumstances, an item will NOT be refunded. These circumstances include, but are not limited to:
- Product has been installed or otherwise modified/used
- Product is shipped without it's original packaging, installation hardware, or documents
- The RMA number was not written on the outermost box
NOTE: The customer is responsible for the return shipping costs.
Shipping Policy
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, most items will ship within 1-2 business days, unless otherwise noted in the product listing. Special Orders lead times (i.e. time to ship) will be discussed over the phone with the customer.
Any orders over $99 ships free* to the contiguous 48 states (excluding Alaska and Hawaii). Orders receiving free shipping will be shipped via ground. International and orders requiring freight shipping do NOT qualify for free shipping.
*Note: Any item requiring freight shipping does not qualify for Free Shipping.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.). You should expect to receive your refund within 24-48 hours of us receiving your return.
NOTE: Original costs of shipping the item to you will NOT be refunded.
Please keep in mind the transit time for us to receive your return from the shipper (5 to 10 business days) and the time it takes your bank to process our refund request (5 to 10 business days).
Once we receive your return request, we will respond quickly with a status update, RMA (Return Merchandise Authorization) number, and instructions for how to return items from your order. You may also find the instructions for returning items as follows:
- Place, secure, and seal the item and any instructions, warranty, or other documents in its original packaging & box
- Place the original product, within its box, inside another box
- Use a black Sharpie, or other distinctive, bold pen, to write your RMA number on the outermost of the box (e.g. "RMA# 567)
- Take the box to the shipper of your choice
- Please retain a copy of your shipping receipt and tracking number
Once we receive the item, we will issue a refund to your original method of payment within 24-48 hours.
Under certain circumstances, an item will NOT be refunded. These circumstances include, but are not limited to:
- Product has been installed or otherwise modified/used
- Product is shipped without it's original packaging, installation hardware, or documents
- The RMA number was not written on the outermost box
NOTE: The customer is responsible for the return shipping costs.