Direct answer: These 4.8L LS-based long tube headers are designed to improve exhaust flow, boost horsepower, and enhance throttle response for LS swaps in pickups and SUVs. The right choice depends on your vehicle, build goals, and installation constraints. This guide highlights five well-matched options, explains who each is best for, and helps you compare features like material quality, fitment, and gasket kits. A quick buyer’s table follows the intro to summarize core details.
Who should consider these headers? Builders aiming for noticeable power gains in LS swap applications will benefit, especially when upgrading to mandrel-bent primaries and durable gaskets. Budget-conscious buyers may prioritize stainless steel and coating for longevity, while those with square-body or classic trims may value proven fitment for older chassis. The selected products below cover a range of LS swap scenarios and mounting requirements.
| Product | Best For | Key Benefit | Notable Limitation |
|---|---|---|---|
| Generic Stainless Steel LS Swap Long Tube Header Replacement | Silverado/C10 and LS swaps | Polished finish, full-length, direct-fit replacement | Basic feature set, check exact engine versions |
| Certified Automotive Experts 304 Stainless 4.8L-6.2L Long Tube | Street/strip LS swaps | 304 stainless, beveled pipe option | Beveled Y-pipe flange on right side |
| TX-Style Long Tube Headers 73–87 C10 and 88–91 Square-Body | Classic square-body builds | MLS gaskets, barrier coating, good seal | Not for OBS/GMT400 later models |
| Ceramic Coated LS Swap Long Tube Headers | High-heat street, towing | Ceramic coating for heat management | Square-body fitment focus |
| LS Swap Shorty Headers With MLS Copper Gaskets | Smaller engine bays and tight clearances | Compact design, strong gasket kit | Shorty design, not a full-length header |
Stainless Steel LS Swap Long Tube Header Replacement
Product overview: This long tube header replacement is a direct-fit option for Chevy Silverado generations with LS engines, including common LS1-LS7 variants from 1960–1998 vehicle platforms. The polished finish offers a clean, showroom-ready look. Best for: owners performing an LS swap who want a straightforward replacement with a polished appearance. Caution: verify compatibility with specific model years to ensure a precise fit and clearance around steering and exhaust components.
Exhaust Headers For 2002–2013 GM Trucks (Right-Side Beveled Flange)
Product overview: Engineered for 2002–2013 GM trucks and SUVs with 4.8L–6.2L LS-based V8 engines. It uses a 1-5/8″ mandrel-bent primary design and a beveled Y-pipe flange on the right side to improve exhaust flow. Best for: modern chassis with direct-fit headers that prioritize improved horsepower and throttle response. Caution: ensure the beveled flange right-side configuration matches your stock exhaust routing.
Long Tube Headers For LS Swaps With MLS Gaskets
Product overview: A complete upgrade kit featuring MLS gaskets and header bolts for LS swaps on classic C/K pickups and square-body models from the late 70s to early 90s. Best for: LS swap projects that require a robust seal and easier installation. Caution: not designed for 1988–1998 OBS/GMT400 or modern Gen-V LT engines.
Ceramic Coated LS Swap Long Tube Headers
Product overview: Ceramic-coated long tube headers designed for 1973–1987 Chevy/GMC C10/K10 square-body trucks and 1988–1991 Blazer, Jimmy, Suburban platforms. Best for: street-driven LS swaps that require heat management and durable coatings. Caution: fitment is targeted at square-body chassis and may require clearance checks for non-square models.
LS Swap Shorty Headers With Upgraded MLS Gaskets
Product overview: Shorty headers designed for LS swaps that require compact clearance, paired with MLS steel and copper collector gaskets for a durable seal. Best for: builders with restricted engine bays who still want improved exhaust flow. Caution: being a shorty design, peak gains may be less than full-length tubes in some setups.
TMORACSIDSP C10 Swap Long Tube Headers
Product overview: C10 swap long tube headers with 1 7/8″ primary tubes, designed for LS swaps in C10 trucks. Best for: LS swap enthusiasts who need a substantial upgrade with a 1 7/8″ primaries for better flow. Caution: not compatible with four-wheel-drive configurations and must match a compatible LS engine family.
Certified Automotive Experts Square-Body Long Tube Headers
Product overview: High-quality 304 stainless steel long tube headers with CNC-machined flanges and TIG-welded joints. They provide an optimal flow path via mandrel-bent tubes for LS swaps in 60–87 Chevy & GMC trucks and up to 88+ square-body models. Best for: builders seeking precise fitment and durable construction. Caution: ensure compatibility with the exact chassis style to avoid clearance issues around suspension components.
Buying Guide: Key Considerations For 4.8 Long Tube Headers
- Fitment: Confirm vehicle year, model, and LS engine variant. Some headers are designed specifically for square-body trucks, while others target modern Silverado/Sierra platforms or classic C10 frames.
- Material and Coating: Stainless steel with ceramic or heat-dissipation coatings can improve longevity and heat management, reducing heat soak on nearby components.
- Primary Tube Diameter: Common sizes range from 1-5/8″ to 1-7/8″. Larger primaries improve top-end power but may require more precise installation and tuning for low-end torque.
- Gaskets And Bolts: MLS gaskets and dedicated header bolts improve sealing under repeated heat cycles, reducing leaks and installation time.
- Installation Constraints: Some designs require modification or removal of steering components, frame members, or exhaust routing. Evaluate clearance and compatibility with existing exhaust systems.
- Intended Use: Street-driven, towing, or racing-focused builds can influence coating choice and primary size preferences. Shorty headers may suit tight spaces but offer different performance compared to long-tube versions.
- Maintenance And Longevity: Coatings and stainless steel resist corrosion and heat, but edges and flanges should be inspected for leaks or loosening bolts over time.
Frequently Asked Questions
- What is the main benefit of long tube headers for LS swaps? They improve exhaust flow, increasing horsepower and throttle response across the powerband.
- Are ceramic-coated headers worth it for daily driving? Yes, ceramic coatings help manage heat, protect nearby components, and maintain performance under sustained loads.
- Do I need MLS gaskets with LS swap headers? MLS gaskets are recommended for a reliable seal and durability under heat cycles, especially with high-performance setups.
- Can these headers fit every Chevy/GMC square-body? Many are designed for particular years or chassis; always verify fitment notes and cross-reference with your exact vehicle.
- What should I consider when choosing a 4.8L header for a Silverado? Look for direct-fit options, material quality, coating, and whether the design accommodates your exhaust routing and manifold style.
- Are long tube headers compatible with all transmissions? Most are designed to work with standard LS swap configurations and compatible exhaust manifolds, but check clearance and mounting hardware relative to your transmission and crossmember.