5.7L HEMI Exhaust Header Manifold 8-2 Design Fit Chrysler 300C Dodge Charger Magnum Challenger
About the item
This 5.7L HEMI exhaust header manifold is a performance upgrade and replacement part for Chrysler 300C, Dodge Charger, Magnum and Challenger models, solving common exhaust system problems like poor airflow, power loss and clogged stock manifolds. Featuring premium welded construction and optimized 8-2 piping design, this exhaust manifold improves engine exhaust efficiency and delivers stable performance for daily driving and racing use.
Features
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Optimized 8-2 Piping Airflow Design: Adopts professional 8-2 merge pipe structure to smooth exhaust gas flow, effectively reduce exhaust backpressure, improve engine ventilation efficiency and restore lost horsepower and torque.
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Precision CNC Machined Flanges: CNC fully machined flange ensures ultra-smooth flat surface and accurate hole positioning, achieves tight seamless fitting with engine block to prevent exhaust leakage and air suction issues.
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Dual Welding Process Durability: Adopts combined TIG and MIG welding technology for full weld seam reinforcement, enhances overall structural rigidity, resists high-temperature deformation and cracking under long-term engine operation.
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Three-Stage Polished Finish: Fine three-stage surface polishing treatment forms a smooth protective layer, effectively resists high-temperature oxidation, rust and carbon deposition, keeping the manifold surface clean and extending service life.
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Standard Size Universal Compatibility: Strictly follows standard tube and flange size specs (3.00” outlet, 2.00”x1.25” primary tube), perfectly matches 5.7L HEMI engine models for direct installation without extra modification.
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Reserved O2 Sensor Ports: Precisely reserved 2 O2 sensor mounting locations support normal sensor installation and signal detection, ensures vehicle computer system works normally without triggering error codes.
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Cost-Effective Performance Upgrade: Brand new complete exhaust manifold assembly replaces old clogged or leaking stock units, providing stable exhaust system performance at a budget-friendly cost for modification and maintenance.
Specification
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Item Parameter
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Detailed Data
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Product Condition
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100% Brand New, Unused & Uninstalled
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Product Type
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Engine Exhaust Header Manifold
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Applicable Engine
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5.7L HEMI V8 Engine
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Compatible Models & Years
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Chrysler 300C (2005-2013); Dodge Charger (2006-2013); Dodge Magnum (2006-2008); Dodge Challenger (2009-2016)
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Piping Design
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8-2 Merge Pipe Layout
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Outlet Diameter
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3.00 Inch
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Primary Tube Size
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2.00" x 1.25"
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Head Flange Thickness
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7/16"
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Outlet Flange Thickness
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3/8"
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Craftsmanship
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CNC Machined Flange + TIG & MIG Welded
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Surface Finish
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3-Stage Polished Smooth Finish
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Sensor Port
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2 x O2 Sensor Mounting Locations
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Package Contents
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1 Set x Brand New Exhaust Header Manifold
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| Make, Model | Year(s) | Additional Info |
| Chrysler 300C | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 | 5.7L HEMI V8 Engines |
| Dodge Charger | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 | 5.7L HEMI V8 Engines |
| Dodge Magnum | 2006, 2007, 2008 | 5.7L HEMI V8 Engines |
| Dodge Challenger | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 | 5.7L HEMI V8 Engines |
Usage Scenarios
This 5.7L HEMI exhaust header manifold is ideal for stock exhaust system replacement and vehicle performance modification. It perfectly solves exhaust blockage, air leakage and power attenuation caused by aging manifolds, suitable for daily commuting, road performance driving and routine vehicle maintenance for Chrysler and Dodge 5.7L HEMI V8 models.