Finding the right 6.0 LS long tube headers can unlock stronger exhaust flow, improved torque, and better throttle response for LS-swapped Chevys, trucks, and custom builds. This guide highlights five top long-tube options that balance performance, fitment, and installation practicality. Best for: classic GM pickups and square-body restorations, mixed with modern LS swaps in Ford Mustang projects for enthusiasts pursuing horsepower gains with reliable gaskets and hardware.
The following comparison table summarizes the five recommended products, including fitment focus and ideal buyer type.
| Product | Best For | Key Benefit |
|---|---|---|
| Stainless Steel LS Swap Long Tube Header Replacement for Chevy Silverado | Chevy Silverado and similar trucks | Polished finish with full-length long tubes for LS1/LS2/LS3 swaps |
| Certified Automotive Experts LS Swap Long Tube Headers Polished 304 Stainless Steel | Classic GM trucks 1960–1991 LS swaps | Includes MLS gaskets and 12-piece header bolt kit |
| Certified Automotive Experts Long Tube Headers for LS Swaps. Fit 60–87 Chevy & GMC Trucks | 60s–80s Chevy/GMC trucks, square-body friendly | Premium 304 stainless steel construction |
| LS Swap Long Tube Headers for 1979–2004 Ford Mustang Fox Body & SN95 | Mustang LS swaps | 1-7/8” primaries, 3” collector for LS engine swaps |
| Ceramic Coated LS Swap Long Tube Headers for 1973–1987 Chevy GMC C10 | Chevy/GMC square-body and C10/K10 subsets | Ceramic coating reduces heat, improves heat management |
Stainless Steel LS Swap Long Tube Header Replacement for Chevy Silverado
Best for: Silverado owners performing LS swaps with a focus on a polished, full-length long-tube design. These headers are described as replacement-for Chevrolet Silverado C10 C1500 LS1/LS2/LS3/LS6/LS7 models from 1960–1998, with a polished finish for a clean install and show-ready appearance. Choose this if you want a straightforward, polished solution that fits classic GM apps without exotic coatings.
Why selected: It offers a straightforward long-tube path that helps exhaust scavenging while preserving a classic look. Caution: verify compatibility with your specific LS variant and engine bay clearance, as some configurations may require additional heat shielding or adjustments.
Certified Automotive Experts LS Swap Long Tube Headers Polished 304 Stainless Steel
Best for: 1960–1987 Chevy GMC C10/K10 trucks and 1988–1991 square-body 2WD/4WD LS swaps. The kit includes MLS gaskets and a 12-piece bolt set for a complete installation, with a focus on reliable sealing. Choose this if you want an all-in-one package that emphasizes gasket reliability and a clean polished finish.
Why selected: The included MLS gaskets and bolts reduce leaks and simplify the install. Caution: ensure video fitment confirmation is checked for your exact truck year and body style to avoid clearance conflicts.
Certified Automotive Experts Long Tube Headers for LS Swaps
Best for: 60–87 Chevy & GMC C10/C20/C30 2WD, with compatibility notes for 88+ square-body trucks. This product emphasizes premium 304 stainless steel durability, CNC-machined flanges, and TIG-welded joints for a snug fit. Choose this if you want robust construction and precise manufacturing for long-term performance.
Why selected: The emphasis on mandrel-bent tubes and precision fabrication helps maximize flow and reliability. Caution: not all 4th-generation GM trucks are compatible; confirm your exact model year and engine layout before purchase.
Long Tube Headers for LS Swaps Black Aluminized Thermal Barrier Coating
Best for: 73–87 Chevy/GMC C10/K10 and 88–91 square-body Blazer/Jimmy/Suburban platforms. The kit includes MLS gaskets and header bolts, with a durable black aluminized barrier coating. Choose this if you want added heat management and a comprehensive gasket/bolt package for easier installs.
Why selected: Long-tube design with 1-3/4” mandrel-bent primaries and a 3” merge collector delivers improved scavenging and torque. Caution: not designed for 1988–1998 OBS/GMT400 or 2014+ Gen-V LT engines, so verify body style compatibility.
Ceramic Coated LS Swap Long Tube Headers by Certified Automotive Experts
Best for: 1973–1987 Chevy/GMC C10/K10 square-body and 1988–1991 Blazer/Jimmy/Suburban LS swaps. Ceramic coating helps heat management for street, tow, and performance use. Choose this if heat is a concern and you want a durable finish that can help protect nearby components.
Why selected: Ceramic coating reduces heat transfer and helps maintain consistent performance under sustained load. Caution: not compatible with 1988–1998 OBS/GMT400 or 2014+ Gen-V LT engines, so confirm fitment for your chassis.
Buying Guide: How to Choose 6.0 LS Long Tube Headers
What matters most: fitment, material, and coating
Look for a header design that matches your LS engine (6.0L variants common in LS swaps). Stainless steel bodies resist corrosion and stay visually clean longer, while ceramic or aluminized coatings help with heat management. Ensure primary tube diameter (1-7/8 inch is common for LS swaps) matches your horsepower goals and exhaust system compatibility.
Which is best for your vehicle type?
Classic GM trucks benefit from long-tube headers with reliable gaskets. Fox Body Mustangs benefit from tuned primaries and 3-inch collectors for efficient scavenging with LS swaps. If you drive a daily street vehicle, a ceramic-coated option can help heat management and protection of nearby components.
Gasket and hardware considerations
Some sets include MLS gaskets and header bolts, which helps reduce leaks and simplifies installation. If not included, plan for a complete hardware kit. Check whether the product requires additional heat shields or adapters for your specific exhaust system and engine bay clearance.
Installation notes
Long-tube headers can require space for starter clearance, crossmembers, and steering components. In some cases, you may need to trim or modify heat shields or engine mounts. Always verify fitment against your exact model year and LS engine variant with the included fitment video or documentation when available.
Maintenance and durability
304 stainless steel offers corrosion resistance, while coatings like black aluminized or ceramic help manage heat and reduce surface oxidation. Periodic inspection of gaskets and bolts is advised to maintain a leak-free seal and torque accuracy during service.
FAQ
What is the main advantage of long tube headers for LS swaps?
Long tube headers improve exhaust scavenging and airflow, potentially increasing horsepower and throttle response across the power band compared to shorty designs.
Are MLS gaskets important for LS swap headers?
MLS gaskets help seal high-hot, high-Pressure connections and can reduce the risk of leaks, especially with high-flow long-tube setups.
Will these headers fit my 6.0 LS in a classic GM truck?
Fitment depends on year, body style, and LS engine variant. Check the product description and any included fitment video or confirmation for your specific chassis.
Do I need additional hardware beyond the header bolts?
Some sets include bolts and gaskets. If not, you may need a separate header bolt kit and gaskets designed for your LS swap. Always verify compatibility with your exhaust system.
Is ceramic coating worth it for daily driving?
Ceramic coatings can reduce external heat transfer and help protect nearby components, which is advantageous for daily driving and towing scenarios.