Exhaust Header
Header Manifold LS1 LS6 LSX GM V8 Chevrolet Up & Forward-FREE SHIP TO USA
A 1-7/8 inch shorty exhaust header manifold for LS1, LS6, and LSX GM V8 engines in Chevrolet vehicles. Fitment is specific to the listed models and years, and it is designed for up and forward routing to clear engine components.
- Package1x Header Manifold Kit
- FitmentLS1, LS6, LSX GM V8 Chevrolet vehicles
- RoutingUp and forward
- ExclusionNot for LS-based engines outside the listed models
What You Get
Key Benefits
- 1-7/8 inch primary tubes improve exhaust flow and reduce back pressure compared to the factory manifold
- Complete kit includes all necessary gaskets, bolts, and hardware for a direct bolt-on installation
Why Buyers Switch
Problems It Solves
- Factory exhaust manifolds restrict flow and increase exhaust gas temperature under load
- Cast iron manifolds crack or corrode over time, especially in humid or salty environments
- Poorly machined flanges leak at the cylinder head joint, causing loss of power and noise
- Universal or custom-fit manifolds require welding and machining, which increases shop labour costs
Where It Is Used
Application Scenarios
- Performance shops upgrading LS1/LS6/LSX engines in classic and modern Chevrolets for better throttle response
- Distributors stocking vehicle-specific GM V8 exhaust manifolds for the North American market
- Restoration shops replacing corroded factory manifolds on vintage or high-mileage LS-powered vehicles
- Online sellers needing a photographed, vehicle-specific part with a clear fitment list and no welding required
Buyers
Who It Is For
- Performance parts distributors buying GM V8 exhaust hardware by the pallet
- Chevrolet specialty shops serving LS engine owners in the USA and Canada
Construction
Technical Features
- 1-7/8 inch primary tubes with up and forward routing for clearance
- Bolt-on replacement with factory routing and mounting points
Data
Specifications
| Package | 1x Header Manifold Kit |
|---|---|
| Fitment | LS1, LS6, LSX GM V8 Chevrolet vehicles |
| Routing | Up and forward |
| Exclusion | Not for LS-based engines outside the listed models |
Manufacturing
How It Is Made
Tube bending to match the up and forward routing for engine clearance
Final fit check against factory mounting points and flange patterns before packing
Checks
Quality Control
- Flange bolt pattern and sealing face flatness verified before welding
- Weld seams inspected for pinholes and uniformity along the full joint
Private Label
Customisation Options
- Private label packaging and barcode labels available on request
- Bulk cartons provided for container orders instead of individual retail boxes
Comparison
Compared With The Alternatives
| Factory exhaust manifold | The stock manifold is designed for emissions compliance and quiet operation; this one increases flow and power at the cost of noise and emissions |
|---|---|
| Universal cut-to-fit header | A universal header requires custom welding and fitting; this one bolts on directly without modification |
Installation
Use Guide
- Confirm the vehicle uses an LS1, LS6, or LSX GM V8 engine and is not a later model with different routing
- Allow the engine to cool completely before removing the factory manifold
- Replace the factory gaskets rather than reusing them to prevent leaks
- Torque all flange bolts evenly in a cross pattern to maintain sealing face flatness
- Recheck bolt torque after the first heat cycle to ensure no loosening
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Answers
Questions About This Part
Will this fit a 2005 Corvette with an LS6 engine?
Yes. The part covers LS1, LS6, and LSX GM V8 engines in Chevrolet vehicles with up and forward routing.
What size are the primary tubes?
1-7/8 inch. This matches the standard primary tube size for LS1/LS6/LSX engines.
Can we get our own brand on the box?
Yes. Private label packaging and barcode labels can be arranged, and bulk cartons are available for container orders.
Is this street legal where I sell?
Emissions rules vary by region and we make no emissions approval claim for this part. Check your local regulations before resale.
Get This Part Quoted
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