


| SKU | FST54039B |
| MPN | 54039B |
| EAN | 036584255697 |
| Units per SKU | 1.0 |
| Certifications | None |
| Material | Aluminum |
| Color/Finish | Black |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2004 | Avanti | II | Base |
| 2008-2009 | Buick | LaCrosse | Super |
| 2004-2007 | Buick | Rainier | CXL |
| 2004-2005 | Buick | Rainier | CXL Plus |
| 2002-2005 | Cadillac | Escalade | Base |
| 2009-2013 | Cadillac | Escalade | Hybrid |
| 2010-2013 | Cadillac | Escalade | Hybrid Platinum |
| 2013 | Chevrolet | Avalanche | Black Diamond LS |
| 2013 | Chevrolet | Avalanche | Black Diamond LT |
| 2013 | Chevrolet | Avalanche | Black Diamond LTZ |
| 2007-2012 | Chevrolet | Avalanche | LS |
| 2007-2012 | Chevrolet | Avalanche | LT |
| 2007-2012 | Chevrolet | Avalanche | LTZ |
| 2002-2005 | Chevrolet | Avalanche 1500 | Base |
| 2005-2006 | Chevrolet | Avalanche 1500 | LS |
| 2005-2006 | Chevrolet | Avalanche 1500 | LT |
| 2002-2003 | Chevrolet | Avalanche 1500 | North Face |
| 2002-2003 | Chevrolet | Avalanche 1500 | On Road Edition |
| 2003 | Chevrolet | Avalanche 1500 | WBH |
| 2004-2006 | Chevrolet | Avalanche 1500 | Z66 |
| 2002-2006 | Chevrolet | Avalanche 1500 | Z71 |
| 2009-2012 | Chevrolet | Colorado | LT |
| 2003-2007 | Chevrolet | Express 1500 | Base |
| 2003-2007 | Chevrolet | Express 1500 | LS |
| 2006-2007 | Chevrolet | Express 1500 | LT |
| 2003-2005,2010-2019 | Chevrolet | Express 2500 | Base |
| 2003-2005,2010-2019 | Chevrolet | Express 2500 | LS |
| 2010-2019 | Chevrolet | Express 2500 | LT |
| 2010-2019 | Chevrolet | Express 3500 | Base |
| 2010-2019 | Chevrolet | Express 3500 | LS |
| 2010-2019 | Chevrolet | Express 3500 | LT |
| 2006-2009 | Chevrolet | Impala | SS |
| 2016-2017 | Chevrolet | LCF 3500 | Base |
| 2006-2007 | Chevrolet | Monte Carlo | SS |
| 1999-2005 | Chevrolet | Silverado 1500 | Base |
| 2004-2006,2009-2013 | Chevrolet | Silverado 1500 | Hybrid |
| 1999-2006,2010-2013 | Chevrolet | Silverado 1500 | LS |
| 1999-2013 | Chevrolet | Silverado 1500 | LT |
| 2007-2013 | Chevrolet | Silverado 1500 | LTZ |
| 2002-2004,2006-2013 | Chevrolet | Silverado 1500 | WT |
| 2010-2013 | Chevrolet | Silverado 1500 | XFE |
| 2004 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2007 | Chevrolet | Silverado 1500 Classic | Hybrid |
| 2007 | Chevrolet | Silverado 1500 Classic | LS |
| 2007 | Chevrolet | Silverado 1500 Classic | LT |
| 2007 | Chevrolet | Silverado 1500 Classic | WT |
| 1999-2000 | Chevrolet | Silverado 2500 | Base |
| 1999-2000 | Chevrolet | Silverado 2500 | LS |
| 1999-2000 | Chevrolet | Silverado 2500 | LT |
| 2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2010-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2010-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2010-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2010-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2010-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2010-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2003-2004 | Chevrolet | SSR | Base |
| 2000-2001,2006 | Chevrolet | Suburban 1500 | Base |
| 2000-2014 | Chevrolet | Suburban 1500 | LS |
| 2000-2014 | Chevrolet | Suburban 1500 | LT |
| 2007-2014 | Chevrolet | Suburban 1500 | LTZ |
| 2004-2006 | Chevrolet | Suburban 1500 | Z71 |
| 2010-2013 | Chevrolet | Suburban 2500 | LS |
| 2010-2013 | Chevrolet | Suburban 2500 | LT |
| 2016-2019 | Chevrolet | Suburban 3500 HD | LS |
| 2016-2019 | Chevrolet | Suburban 3500 HD | LT |
| 2000-2001,2006 | Chevrolet | Tahoe | Base |
| 2008-2013 | Chevrolet | Tahoe | Hybrid |
| 2000-2014 | Chevrolet | Tahoe | LS |
| 2000-2014 | Chevrolet | Tahoe | LT |
| 2007-2014 | Chevrolet | Tahoe | LTZ |
| 2012-2014 | Chevrolet | Tahoe | PPV |
| 2012-2014 | Chevrolet | Tahoe | SSV |
| 2003-2006 | Chevrolet | Tahoe | Z71 |
| 2008 | Chevrolet | Trailblazer | Base |
| 2006-2007 | Chevrolet | Trailblazer | LS |
| 2006-2008 | Chevrolet | Trailblazer | LT |
| 2003-2006 | Chevrolet | Trailblazer EXT | LS |
| 2003-2006 | Chevrolet | Trailblazer EXT | LT |
| 2003-2004 | Chevrolet | Trailblazer EXT | North Face |
| 2009-2012 | GMC | Canyon | SLE |
| 2009-2012 | GMC | Canyon | SLT |
| 2005-2009 | GMC | Envoy | Denali |
| 2005-2006 | GMC | Envoy XL | Denali |
| 2003-2005 | GMC | Envoy XL | SLE |
| 2003-2005 | GMC | Envoy XL | SLT |
| 2004-2005 | GMC | Envoy XUV | SLE |
| 2004-2005 | GMC | Envoy XUV | SLT |
| 2003-2007 | GMC | Savana 1500 | Base |
| 2006-2007 | GMC | Savana 1500 | LS |
| 2006-2007 | GMC | Savana 1500 | LT |
| 2003-2005 | GMC | Savana 1500 | SLE |
| 2003-2005,2010-2019 | GMC | Savana 2500 | Base |
| 2010-2019 | GMC | Savana 2500 | LS |
| 2010-2019 | GMC | Savana 2500 | LT |
| 2003-2005 | GMC | Savana 2500 | SLE |
| 2010-2019 | GMC | Savana 3500 | Base |
| 2010-2019 | GMC | Savana 3500 | LS |
| 2010-2019 | GMC | Savana 3500 | LT |
| 2002-2005 | GMC | Sierra 1500 | Base |
| 2002 | GMC | Sierra 1500 | HT |
| 2005-2006,2009-2013 | GMC | Sierra 1500 | Hybrid |
| 1999-2003,2006,2010-2013 | GMC | Sierra 1500 | SL |
| 1999-2013 | GMC | Sierra 1500 | SLE |
| 1999-2013 | GMC | Sierra 1500 | SLT |
| 2002-2013 | GMC | Sierra 1500 | WT |
| 2010-2013 | GMC | Sierra 1500 | XFE |
| 2007 | GMC | Sierra 1500 Classic | Hybrid |
| 2007 | GMC | Sierra 1500 Classic | SL |
| 2007 | GMC | Sierra 1500 Classic | SLE |
| 2007 | GMC | Sierra 1500 Classic | SLT |
| 2007 | GMC | Sierra 1500 Classic | WT |
| 1999-2000 | GMC | Sierra 2500 | SL |
| 1999-2000 | GMC | Sierra 2500 | SLE |
| 1999-2000 | GMC | Sierra 2500 | SLT |
| 2015-2019 | GMC | Sierra 2500 HD | Base |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2010-2019 | GMC | Sierra 2500 HD | SLE |
| 2010-2019 | GMC | Sierra 2500 HD | SLT |
| 2010-2014 | GMC | Sierra 2500 HD | WT |
| 2015-2019 | GMC | Sierra 3500 HD | Base |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2010-2019 | GMC | Sierra 3500 HD | SLE |
| 2010-2019 | GMC | Sierra 3500 HD | SLT |
| 2010-2014 | GMC | Sierra 3500 HD | WT |
| 2010-2013 | GMC | Yukon | Denali Hybrid |
| 2008-2013 | GMC | Yukon | Hybrid |
| 2006 | GMC | Yukon | SL |
| 2000-2014 | GMC | Yukon | SLE |
| 2000-2014 | GMC | Yukon | SLT |
| 2006 | GMC | Yukon XL 1500 | SL |
| 2000-2014 | GMC | Yukon XL 1500 | SLE |
| 2000-2014 | GMC | Yukon XL 1500 | SLT |
| 2010-2013 | GMC | Yukon XL 2500 | SLE |
| 2010-2013 | GMC | Yukon XL 2500 | SLT |
| 2004,2007 | Hummer | H2 | Base |
| 2008-2010 | Hummer | H3 | Alpha |
| 2009 | Hummer | H3 | Championship Series |
| 2009-2010 | Hummer | H3T | Alpha |
| 2003 | Isuzu | Ascender | Base |
| 2003-2005 | Isuzu | Ascender | Limited |
| 2003-2006 | Isuzu | Ascender | LS |
| 2005 | Isuzu | Ascender | S |
| 2005-2008 | Pontiac | Grand Prix | GXP |
| 2006-2009 | Saab | 9-7x | 5.3i |
| 2005 | Saab | 9-7x | Arc |
Upgrade your LS engine performance with the FAST LSX Intake Manifold, designed specifically for Cathedral Port LS1, LS2, and LS6 cylinder heads. Crafted from durable aluminum, this intake manifold offers a perfect blend of strength and lightweight construction to enhance your engine's breathing capabilities.
This complete intake manifold features a 92mm throttle body bore that accommodates multi-port fuel injection, ensuring excellent airflow at a broad operating RPM range between 1800 and 6000. Its black plastic plenum and base provide a sleek and functional finish that aligns with high-performance standards.
Designed with eight supplemental bosses cast into the structure, this intake manifold offers versatility for additional engine components or sensors without requiring machining. The removable runners add flexibility for tuning and customization to meet your specific performance needs.
Additional features include an integrated EGR system compliant with California emission standards (CARB EO Number D-279-10), so you can upgrade your vehicle without compromising on regulatory requirements.
Note that this product does not include injectors, multi-port fuel rails, or the throttle body, allowing you to pair it with components of your choice based on your build and tuning preferences. Sold individually, this intake manifold is a trusted choice for enthusiasts seeking reliable upgrades with no hidden fees and fast shipping across Europe.
Choose the FAST LSX Intake Manifold to deliver enhanced power, responsiveness, and efficiency on your V8 build or muscle car project. Supported by enthusiast-driven service from Tuningsupply, you get a quality product backed by expert guidance for your tuning journey.
Customer reviews
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We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















