48-33022 aFe Headers

aFe's Twisted Steel headers outflow and outperform the Ford diesel factory exhaust manifolds for a true, bolt-on performance header system. These precision-designed, hand-crafted headers are mandrel-bent from 1-3/4" into 2" heavy duty gauge .120" wall, brushed finish 304 stainless steel tubing and are 100% hand TIG-welded for strength and durability. Optimized tube lengths deliver true pulse control technology for improved flow and performance across the power band. Laser-cut, heavy duty head flanges are machined to match the exhaust ports for a secure seal. EGT ports with plugs, quality hardware and gaskets are included to ensure hassle-free installation and quality fit.
Performance Gains: Outflows factory manifolds by up to 7%.
Brushed Finish 304 Stainless Steel Construction: Constructed of brushed finish .120" wall, 1-3/4" into 2" mandrel-bent 304 stainless steel tubing for strength and durability.
Optimized Tube Lengths: Tube lengths and mitered collectors are optimized for true pulse control technology which improves flow and performance across the power band.
Heavy Duty Flanges: These headers incorporate laser-cut, heavy duty flanges machined to match the exhaust ports for a direct-bolt on, leak-free seal.
EGT Ports: Two 1/8" NPT exhaust gas temperature (EGT) ports are incorporated. This allows for easy installation of sensors, gauges or testing equipment.
TIG-Welded: 100% TIG-welded for strength and durability.
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

• Optimized tube lengths deliver true pulse control technology for improved flow and performance
• Outflows the factory exhaust manifolds by 7%, improving performance and throttle response
• Mitered collectors for optimal exhaust scavenging and decreased turbulence
• Constructed from 1-3/4 IN to 2 IN mandrel-bent 304 stainless steel tubing
• 1/8 NPT exhaust gas temperature (EGT) ports and plugs

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