Long Manifold For Chevrolet Silverado Avalanche 4.8L 5.3L 6.0L 2WD 4WD 1999-06 Features: Mandrel Bent Tubing Full 1-3/4 " Primaries 3" Collector Longtube Header Design for Silverado / Sierra / SUV LS Headers V8 Engines Only 4.8L, 5.3L, 6.0L Engines CNC Machined Flanges Natural 304 Stainless Steel Standard Manifold Gaskets Vehicle Applications for: 1999-2006 For Chevrolet SIlverado Truck & Tahoe SUV (2wd & 4wd) 1999-2006 For GMC Sierra Truck & Yukon SUV (2wd & 4wd) 2002-2006 For Cadillac EXT Truck (2wd & 4wd) 2002-2006 For Cadillac Escalade SUV (2wd & 4wd) 2002-2006 For Chevrolet Avalanche (2wd & 4wd)
Long Manifold For Chevrolet Silverado Avalanche 4.8L 5.3L 6.0L 2WD 4WD 1999-06
 
Features:
Mandrel Bent Tubing
Full 1-3/4 " Primaries 3" Collector
Longtube Header Design for Silverado / Sierra / SUV LS Headers
V8 Engines Only 4.8L, 5.3L, 6.0L Engines
CNC Machined Flanges
Natural 304 Stainless Steel
Standard Manifold Gaskets
 
Application:
1999-2006 For Chevrolet SIlverado Truck & Tahoe SUV (2wd & 4wd)
1999-2006 For GMC Sierra Truck & Yukon SUV (2wd & 4wd)
2002-2006 For Cadillac EXT Truck (2wd & 4wd)
2002-2006 For Cadillac Escalade SUV (2wd & 4wd)
2002-2006 For Chevrolet Avalanche (2wd & 4wd)
 
Note: If using a larger 4L80E transmission the bellhousing ears may need to be trimmed for proper clearance.

Note: Earlier 2500's might have fitment issues due to chassis being designed from previous years.
Earlier years have the upper control arms mounted on top of the chassis, which would cause fitment issues.
 
Package included:
1x Set of Header Kits
All necessary installation hardware (as shown in the picture).
 
Instructions:
Professional installation is highly recommended, exhaust systems are not always perfect, and while most of the time these exhaust systems work perfectly together, occasionally a slight modification to the exhaust system is required to achieve a perfect fit.

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