aFe Twisted Steel 1-7/8in Headers (48-33029) deliver up to +18 HP and +25 TQ for 2020–2021 Ford F-250/F-350 7.3L with direct-fit, no-cut install. Constructed from 1-7/8" mandrel-bent 304 stainless steel tubing, these headers are designed for maximum durability and performance. Featuring 4-to-1 mitered merge collectors, they reduce turbulence and improve exhaust velocity, resulting in better throttle response and measurable horsepower and torque gains. Precision laser-cut 304 stainless steel flanges ensure a leak-free seal and a secure factory-style fit.
This system is engineered for a true bolt-on installation with no cutting or modifications required. Each header is 100% MIG-welded for race-proven strength and built using advanced computer-aided design to guarantee high-tolerance OEM-style fitment.
Key Features :
Produces gains of up to +18 horsepower and +25 lb-ft of torque
1-7/8" mandrel-bent 304 stainless steel tubing for strength and flow
4-to-1 mitered merge collectors enhance exhaust velocity
Laser-cut flanges provide a secure, leak-free seal
100% MIG-welded construction for long-term durability
Direct bolt-on installation with no modifications required
Designed specifically for 2020–2021 Ford F-250/F-350 7.3L V8 engines
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