aFe Twisted Steel 304 Stainless Steel Headers PN# 48-33029 — Vicious Offroad Skip to content
• Twisted Steel Shorty Headers

• Ford F-250/F-350 20-21 V8-7.3L

• Twisted Steel 304 Stainless Steel Headers Ford F-250/F-350 20-21 V8-7.3L

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

• Material: 304 Stainless Steel
• Header Style: Shorty
• Port Shape: Round
• Color: Natural
• Horse Power Increase: 18 HJ
• Torque Increase: 25 ft-lbs

• 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.


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