Ford F-150 Performance Exhaust - aFe - Twisted Steel Headers SS-409 - `11-`14
Ford F-150 Performance Exhaust - aFe - Twisted Steel Headers SS-409 - `11-`14

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Introducing the Ford F-150 Performance Exhaust by aFe - Twisted Steel Headers SS-409 for the `11-`14 models. These race-only headers are designed for the passionate automotive enthusiast aiming to enhance the performance of their Ford F-150 with the V8-5.0L engine.
These Twisted Steel Headers are engineered with precision, offering 1-5/8” mandrel-bent tuned length primary tubes that significantly increase airflow by 46% compared to the stock cast manifolds. Manufactured using durable 409 stainless steel and featuring a robust 3/8” flanges for a leak-free seal, these headers are built to last. They incorporate a merge collector design, which optimizes airflow by combining high flow and velocity, leading to a better engine torque curve and minimizing turbulence common in traditional collectors. Paired with off-road or catted y-pipes, you can achieve gains of up to 10 HP and 20 lbs. x ft of torque beyond the stock setup.
Features
- 409 Stainless Steel Construction
- 1-5/8” Mandrel-Bent Tubing for Enhanced Flow
- Merge Collector Design
- Thick 3/8” Flanges for Leak-Free Seal
- Direct Bolt-On with Factory Mounting Locations
- Designed for Engine Power and Torque Optimization
- Made in USA
The Twisted Steel Headers represent the epitome of performance engineering, offering a 100% bolt-on installation without any modifications needed. With aFe’s pulse control technology, these headers ensure maximum flow and velocity for unparalleled power delivery through the entire power band. For inquiries, customization options, and installation services, call us directly. We have locations in Austin, Texas at 512-982-9393 and Los Angeles, California at 562-981-6800. If considering multiple items, you may contact us for potential shipping discounts. Installation is available on-premises at both of our locations.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov








