aFe Twisted Steel 1-7/8in 304 SS Headers 20-21 Ford F-250/F-350 V8-7.3L

We use UPS, FedEx, DHL, and USPS for deliveries. We are not responsible for any shipping problems and shall not be held liable for any "reasonable" delay beyond our advertised delivery time-frames. Shipment by Ground Courier can take up to 15 business days for delivery. Express Courier can take up to 3 business days for delivery. Shipping time frames are once the order has been processed. Due to high demand, order processing can take 5 to 7 business days.

This system produced gains of up to +18 HP and +25 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8" mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined 304 stainless steel flanges are used used for a secure leak-free seal. 4-to-1 Mitered Merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. Utilizing factory style and flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this header is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.

• Heavy Duty Laser Cut Machined 304 Stainless Steel Flanges are used for a Durable Leak-Free Seal
• 4-to-1 Mitered Merge Collectors Eliminates Flow-Block Turbulence Seen on Formed Collectors
• Works with Factory Exhaust System with No Modifications Necessary
• Constructed from 1-7/8" Mandrel-Bent 304 Stainless Steel Tubing
• 100% MIG-Welded for Strength and Durability
• Up to +18 HP and +25 lbs. x Ft. TQ.

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