Product Description:

LSXrt 102mm Cathedral Port Intake Manifold for 4.8, 5.3 and 6.0L LS Trucks

The FAST LSX 102mm Intake Manifold for GM 4.8, 5.3 and 6.0 truck engines provides bolt-on performance gains without any loss in bottom-end drivability.This manifold features our standard design runners for use in mild street applications.

The LSXRT is constructed from a proprietary precision injection

Modular design allows for fast and easy disassembly
Removable runners allow for porting
Include integrated nitrous bungs
Permits the use of factory accessories and OEM fuel/emission connections without adjustments or clearance issues.
Designed for use with FAST 102mm Big Mouth Throttle Body
102mm inlet works w/ OEM electronic 78/90mm or aftermarket 90/92mm throttle bodies for high flow and minimal restriction (three-bolt electronic throttle bodies require an adapter)
Advanced polymer material is strong, lightweight and cools intake charge for enhanced power
Big gains in rear-wheel HP yet retains factory fitments and underhood clearance requirements

Additional Information:

Associated Comments: Not compatible with Interchangeable Runner Sets. Runners can be removed for porting. See 146100B for replacement upper shell. See 146601 for replacement lower shell.

C.A.R.B. EO Number: D-279-10
C.A.R.B. Exempt?: Yes
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Intake Port Style: Cathedral
Title: LSXrt 102mm Cathedral Port Intake Manifold for 4.8, 5.3 and 6.0L LS Trucks

Guaranteed Fitments:

1999-2000 GMC Sierra 2500
1999-2013 Chevrolet Silverado 1500
1999-2013 GMC Sierra 1500
1999-2016 Chevrolet Silverado 2500
2000-2014 Chevrolet Suburban 1500
2000-2014 Chevrolet Tahoe
2000-2014 GMC Yukon
2000-2014 GMC Yukon XL 1500
2002-2006 Chevrolet Avalanche 1500
2002-2013 Cadillac Escalade
2003-2004 Chevrolet SSR
2003-2006 Chevrolet Trailblazer EXT
2003-2006 GMC Envoy XL
2003-2006 Isuzu Ascender
2003-2007 Chevrolet Express 1500
2003-2007 GMC Savana 1500
2003-2019 Chevrolet Express 2500
2003-2019 GMC Savana 2500
2004-2005 GMC Envoy XUV
2004-2007 Buick Rainier
2004-2007 Hummer H2
2005-2008 Pontiac Grand Prix
2005-2009 GMC Envoy
2005-2009 Saab 9-7x
2006-2007 Chevrolet Monte Carlo
2006-2008 Chevrolet Trailblazer
2006-2009 Chevrolet Impala
2007-2007 Chevrolet Silverado 1500 Classic
2007-2007 GMC Sierra 1500 Classic
2007-2013 Chevrolet Avalanche
2008-2009 Buick Allure
2008-2009 Buick LaCrosse
2008-2010 Hummer H3
2009-2010 Hummer H3T
2009-2012 Chevrolet Colorado
2009-2012 GMC Canyon
2010-2013 Chevrolet Suburban 2500
2010-2013 GMC Yukon XL 2500
2010-2019 Chevrolet Express 3500
2010-2019 Chevrolet Silverado 2500 HD
2010-2019 Chevrolet Silverado 3500 HD
2010-2019 GMC Savana 3500
2010-2019 GMC Sierra 2500 HD
2010-2019 GMC Sierra 3500 HD
2015-2018 Chevrolet Suburban
2016-2016 Chevrolet Cheyenne
2016-2017 Chevrolet LCF 3500
2016-2018 Chevrolet Silverado 3500
2016-2019 Chevrolet Suburban 3500 HD
2017-2017 Chevrolet Express Cargo
2017-2018 Chevrolet Express Pasajeros