TIG Welded CNC Machine Flange. O2 Sensor Insertion and Metal Gasket Included. Increase High Flow Air, Instantly Gain 10-15HP / TQ. 4-1 Headers Are Designed To Allow The Exhaust Gasses To Flow More Freely From Each 4 Cylinder Bank And Combine In A More Efficient Manner. Tubing Has Been Optimized For The Chevrolet / GMC Pickups and SUVs 4.8L / 5.3L.
Creates A Reduction In Cylinder Back Pressure And Improved Exhaust Gas Veloctity. These Improvements Free Up Lost Horsepower And Torque. Added Benefit Is A More Performance Oriented Exhaust Sound.
Profressional Installation Is Highly Recommended. Communication is very important and we will try our best to assist all our customers with any concerns. And we will reply to your message. Questions are answered in the order they arrive as quickly as possilble. Ground Carriers do not deliver to PO BOX and additional charges will be required. We cannot mark merchandise values below value or mark items as "gifts" - US and International Government Regulations prohibit such behavior. The customer is responsible for making any changes prior to purchasing. All return merchandise must be authorized and assigned with a RETURN AUTHORIZATION NUMBER R. N from our customer service representatives before returning a product.It is the responsibility of the customer to repack the items for the return. Return labels are not given to return these items. We do not offer local pick-ups. Replacements will not be sent until the claim is approved.
Instructions are not included unless stated in the description. We are retailers of the parts and are not trained technicians.
We can provide minimal support, but we will try our best to help. NOTE : All of turbo parts and performance may require slight modification in order to fits perfectly. Most aftermarket items are produced for off-road or show purpose only. These items are not suitable for regular driving. User must follow the direction given and any misuse of this product is at his/her own risk.The item "Stainless Racing Manifold Header + Y-Pipe For Gmc Yukon Sierra Chevy Suburban" is in sale since Monday, November 30, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "epartsgogo" and is located in La Puente, California. This item can be shipped worldwide.