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The aFe Twisted Steel headers (48-34137) deliver a tuned exhaust pulse for improved scavenging across the power band
Aluminum housing construction reduces overall weight
EGT is the gold standard for air/fuel ratio tuning and is the best early warning system for detecting pre-ignition and detonation before they cause damage
the EPS intake reduces plenum volume to approximately 4
The broader power band allows the 5
Hedman Hedders 69891 Hedman Elite Extreme-Duty Headers | Atech Motorsports AutoMeter Phantom Memory Tachometers The aFe Twisted Steel headersHedman Elite Extreme Duty headers (69891) are built for vehicles operating under severe conditions including towing off road use track days or high mileage daily driving. These headers feature thicker 3 8 inch laser cut flanges and heavy duty 14 gauge tubing that withstands thermal cycling and physical abuse better than standard headers. The Elite series is the go to choice when reliability matters as much as peak horsepower delivering 12 20 hp gains
