The Best Ls6 Headers of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Ls6 Headers of 2025. Check our ranking below.
2,015 Reviews Scanned
- Header Primary / Collector: 1 5/8" / 2 1/2"
- Item Length Shorty Materials: T304 Stainless Steel
- Color: Silver
- Engines: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, V8 Engines Only
- Replacement for Chevy GMC C10 LS 1960-1986 LS1 LS2 LS3 LS6 LS9, V8 Engines
- ATTATION【Compatible with】: Fit for 1982-2004 Chevrolet S10 Truck/ GMC Sonoma Truck; Fit for 1982-2005 Chevrolet S10 Blazer/ GMC Jimmy; Fit for 1991-2001 Oldsmobile Bravada SUV.
- 【Easy to Install & Use】: Headers Kit contains 2 pieces of exhaust pipe and gaskets, bolts and screws required for installation. Meet your DIY needs. For better product experience, you are advised to install it under professional guidance.
- 【Quality materials】: Forged from high quality stainless steel, welding process, surface polishing treatment, with good corrosion resistance and sealing, long service life, high safety.
- 【Precision Manufacturing】: CNC precision casting method produces flange, making its surface smooth and not easy to deformation. Every step of manufacturing is precisely positioned to ensure the precision of products and suitable for loading.
- 【Improve Performance】: The inner wall is smooth, no burrs, ultrasonic cleaning, to ensure that there is no impurities inside the tube,Smooth airflow and stable performance，Can increase 10-15 horsepower.
- Header Primary / Collector: 1 5/8" / 2 1/2"
- Item Length Shorty Materials: T304 Stainless Steel
- Color: Silver
- Engines: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, V8 Engines Only
- Replacement for Chevy GMC C10 LS 1960-1986 LS1 LS2 LS3 LS6 LS9, V8 Engines
- Designed for LS based small block V8 engines(LS1, LS2, LS3, LS6)
- Used for single or twin turbo builds; Up and forward facing
- Fully mandrel bent tubes made of 16-gauge (1.5mm thickness) 304 stainless steel
- Head flange laser-cut from 3/8-inch (9.5mm) thick steel plates and flattened by hydraulic press; with chrome coating
- All joints TIG welded for great resistance against cracking and wearing; Polished surface for extra resistance against rusting
- LS Swap 1 7/8" Longtube Headers for chevy GM GMC C10 C1500 TRUCKS (LS1 LS2 LS3 LS6 LSA) 2wd
- 1 7/8" Primaries 3" Collector 304 Stainless Steel Polished
- V8 Engines Only 4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, LSA Engines
- CNC Machined Flanges Natural 304 Stainless Steel
- Note: "For LS series engine swaps only" These do not work on standard SBC or BBC engines.
- TRUE V-BAND COLLECTOR DESIGN: Features true V-band collectors instead of traditional 3 bolt flanges for improved exhaust alignment and easier serviceability. Often preferred in turbo and forced induction LS swap builds as well as custom naturally aspirated fabrication projects.
- MLS GASKETS AND LS HEADER BOLTS INCLUDED: Includes multi layer steel header gaskets and correct LS specification M8 x 1.25 header bolts for complete installation without sourcing separate hardware.
- SWAP ONLY APPLICATION: Designed specifically for LS engine swap conversions. Not compatible with 1999 and newer factory equipped GM trucks and SUVs and not a direct bolt on replacement for factory exhaust systems.
- 304 STAINLESS STEEL CONSTRUCTION: Built from 304 stainless steel with CNC cut flanges and TIG welded seams for durability, corrosion resistance and long term reliability in custom LS swap builds.
- COMPACT TIGHT TUCK LAYOUT: Shorty design engineered for clearance in S10 C10 K10 and similar LS swap chassis where steering shaft, frame and suspension space is limited. Designed for vehicles manufactured in 1967 and earlier prior to federal emissions standards. Not for use on any vehicle 1968 or newer or any engine originally manufactured with emissions equipment.
- Complete Exhaust Gasket & Bolt Set – Includes two (2) multi-layer steel (MLS) exhaust gaskets and a full set of high-quality exhaust manifold bolts for a reliable, leak-free install.
- Fits All Popular LS Engine Platforms – Compatible with 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS-based engines including LS1, LS6, LM7, LQ4, LQ9, L33, LY6, L92, and more.
- Multi-Layer Steel Construction – The gaskets feature MLS layered design to withstand extreme heat, pressure, and vibration, making them ideal for stock or aftermarket headers.
- Ideal for Header Swaps, Manifold Upgrades, or Rebuilds – A perfect fit for performance exhaust upgrades, engine rebuilds, or simply replacing leaking factory gaskets.
- Direct Bolt-On Installation – Pre-cut bolt holes and included fasteners ensure an easy, secure fit with factory or aftermarket LS cylinder heads and exhaust setups.
- MLS STEEL AND COPPER GASKET UPGRADE: Includes multi layer steel header gaskets and solid copper 2.5 inch collector gaskets for improved sealing durability under repeated heat cycles compared to standard composite gasket sets.
- SWAP ONLY APPLICATION: Not compatible with 1999 and newer factory equipped GM trucks and SUVs. Designed specifically for LS engine swap conversions and not a direct bolt on replacement for factory exhaust systems.
- COMPACT TIGHT TUCK DESIGN: Shorty layout engineered for clearance in S10 C10 K10 and similar LS swap chassis where steering shaft, frame and suspension clearance is critical.
- 304 STAINLESS STEEL CONSTRUCTION: Manufactured from 304 stainless steel for corrosion resistance and long term durability in custom LS swap builds.
- 2.5 INCH 3 BOLT COLLECTORS: Features 2.5 inch inlet and outlet with 3 bolt collector flanges for standard bolt on exhaust connections. Designed for vehicles manufactured in 1967 and earlier prior to federal emissions standards. Not for use on any vehicle 1968 or newer or any engine originally manufactured with emissions equipment.
- Perfect Fitment for LS Engines: Specifically designed to fit GM LS-series engines, including LS1, LS2, LS3, LS6, LS7 and LQ-series platforms.
- High-Performance Multi-Layer Steel (MLS) Construction: Designed for maximum durability and superior sealing, preventing exhaust leaks in high-temperature and high-performance applications.
- Direct OEM Replacement: Precision-engineered to match GM OEM specifications for an easy, hassle-free installation. No modifications or special tools required, making it perfect for DIY enthusiasts and professionals alike.
- Enhanced Sealing Performance: Multi-Layer construction provides exceptional resistance to blowouts and warping, even under high-stress conditions. Eliminates commons issues like exhaust leaks and noise.
- Essential for LS Swaps, Performance Builds, and Maintenance: A must-have for engine rebuilds, header installations, and LS swap projects, offering superior sealing performance for high-output applications.
Last update on 2026-06-17 / Affiliate links / Images from Amazon Product Advertising API
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