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.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Ford | F-250 Super Duty | Harley-Davidson Edition |
| 2004-2007 | Ford | F-250 Super Duty | King Ranch |
| 2003-2007 | Ford | F-250 Super Duty | Lariat |
| 2003-2007 | Ford | F-250 Super Duty | XL |
| 2003-2007 | Ford | F-250 Super Duty | XLT |
| 2004-2007 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2003-2007 | Ford | F-350 Super Duty | King Ranch |
| 2003-2007 | Ford | F-350 Super Duty | Lariat |
| 2003-2007 | Ford | F-350 Super Duty | XL |
| 2003-2007 | Ford | F-350 Super Duty | XLT |
- 2003-ford-f-250-super-duty-lariat-esi8102980
- 2003-ford-f-250-super-duty-xl-esi8847594
- 2003-ford-f-250-super-duty-xlt-esi4676817
- 2003-ford-f-350-super-duty-king-ranch-esi7434147
- 2003-ford-f-350-super-duty-lariat-esi7243306
- 2003-ford-f-350-super-duty-xl-esi9835904
- 2003-ford-f-350-super-duty-xlt-esi7559011
- 2004-ford-f-250-super-duty-harley-davidson-edition-esi7410659
- 2004-ford-f-250-super-duty-king-ranch-esi5547689
- 2004-ford-f-250-super-duty-lariat-esi2253745
- 2004-ford-f-250-super-duty-xl-esi3239400
- 2004-ford-f-250-super-duty-xlt-esi7946189
- 2004-ford-f-350-super-duty-harley-davidson-edition-esi9493389
- 2004-ford-f-350-super-duty-king-ranch-esi1427160
- 2004-ford-f-350-super-duty-lariat-esi3573989
- 2004-ford-f-350-super-duty-xl-esi1720479
- 2004-ford-f-350-super-duty-xlt-esi5230044
- 2005-ford-f-250-super-duty-harley-davidson-edition-esi1825461
- 2005-ford-f-250-super-duty-king-ranch-esi5173396
- 2005-ford-f-250-super-duty-lariat-esi9672290
- 2005-ford-f-250-super-duty-xl-esi1518271
- 2005-ford-f-250-super-duty-xlt-esi5214458
- 2005-ford-f-350-super-duty-harley-davidson-edition-esi4889829
- 2005-ford-f-350-super-duty-king-ranch-esi4588654
- 2005-ford-f-350-super-duty-lariat-esi7221536
- 2005-ford-f-350-super-duty-xl-esi2636954
- 2005-ford-f-350-super-duty-xlt-esi7297698
- 2006-ford-f-250-super-duty-harley-davidson-edition-esi1334817
- 2006-ford-f-250-super-duty-king-ranch-esi8830259
- 2006-ford-f-250-super-duty-lariat-esi5885186
- 2006-ford-f-250-super-duty-xl-esi1282966
- 2006-ford-f-250-super-duty-xlt-esi3261711
- 2006-ford-f-350-super-duty-harley-davidson-edition-esi7378749
- 2006-ford-f-350-super-duty-king-ranch-esi7364433
- 2006-ford-f-350-super-duty-lariat-esi5177197
- 2006-ford-f-350-super-duty-xl-esi9719978
- 2006-ford-f-350-super-duty-xlt-esi9483404
- 2007-ford-f-250-super-duty-harley-davidson-edition-esi1810384
- 2007-ford-f-250-super-duty-king-ranch-esi2188325
- 2007-ford-f-250-super-duty-lariat-esi5929421
- 2007-ford-f-250-super-duty-xl-esi9921827
- 2007-ford-f-250-super-duty-xlt-esi1218312
- 2007-ford-f-350-super-duty-harley-davidson-edition-esi4287725
- 2007-ford-f-350-super-duty-king-ranch-esi8828058
- 2007-ford-f-350-super-duty-lariat-esi4400278
- 2007-ford-f-350-super-duty-xl-esi6026501
- 2007-ford-f-350-super-duty-xlt-esi2208656
- Bucket:Ford
- EPA:Testing
- Exhaust- Mufflers & Tips>Headers & Manifolds
- fits_2003-2007`Ford`F-350 Super Duty`King Ranch~2003-2007`Ford`F-350 Super Duty`Lariat~2003-2007`Ford`F-350 Super Duty`XL~2003-2007`Ford`F-350 Super Duty`XLT
- fits_2004-2007`Ford`F-250 Super Duty`Harley-Davidson Edition~2004-2007`Ford`F-250 Super Duty`King Ranch~2003-2007`Ford`F-250 Super Duty`Lariat~2003-2007`Ford`F-250 Super Duty`XL~2003-2007`Ford`F-250 Super Duty`XLT
- LTL:N
- MPN:48-33022
- Non-CARB:Y
- Prop65:N
- SpecialOrder:Y