2000-2006 Manifold Headers For Chevy Avalanche Silverado Tahoe GMC Sierra 4.8L/5.3L
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On eligible U.S. orders
2-Year Warranty
Product warranty coverage
Description
- 100% brand new, Never been tried or installed
- Outlet Size: 2.5"
- Primary Tube Size: 1.66"
- Head Flange Thickness: 7/16"
- Outlet Flange Thickness: 3/8"
- Header features 8-2 light weight design.
- CNC machine flanges with TIG and MIG welded construction.
- No instructions included, Professional installation is highly recommended
Fitment:
- Chevy Avalanche 1500 2002, 2003, 2004, 2005, 2006 5.3L
- Chevy Silverado 1500 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 4.8L, 5.3L(Except 2002 Chevy Silverado 1500 5.3L,2001 Chevrolet Silverado 1500)
- Chevy Suburban 1500 2000, 2001, 2002, 2003, 2004, 2005, 2006 5.3L
- Chevy Tahoe 2000, 2001, 2002, 2003, 2004, 2005, 2006 4.8L, 5.3L
- GMC Sierra 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 4.8L, 5.3L
- GMC Yukon 2001, 2002, 2003, 2004, 2005, 2006 4.8L, 5.3L
- GMC Yukon XL 2000, 2001, 2002, 2003, 2004, 2005, 2006 5.3L
- For Year and Model, Please Check Compatibility
Shipping & Returns
SHIPPING & DELIVERY
Fast Processing & Reliable Transit
- Processing: Orders are processed and shipped from the nearest warehouse within 24 hours.
- Delivery: Estimated delivery time is approximately 4 to 5 business days.
RETURNS & EXCHANGES
30-Day Hassle-Free Policy
- Return Window: We offer a 30-day return policy from the date of delivery.
- Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.
WARRANTY
2-Year Limited Replacement Warranty
- Duration: All products are backed by a 2-year limited warranty.
- Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).
CUSTOMER SUPPORT
We’re Here to Help – Contact Us First
- Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
- Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
- Email Support: You can reach us at support@SAMEXHAUST.com.
2000-2006 Manifold Headers For Chevy Avalanche Silverado Tahoe GMC Sierra 4.8L/5.3L
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.

