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Downstream location is between the catalytic converter and the tailpipe. 2003-2005 CHEVROLET SILVERADO 1500 V6 (4.3L); V8 (4.8L). 2006 CHEVROLET SILVERADO 1500 V6 (4.3L). 2003-2005 CHEVROLET TAHOE V8 (4.8L).
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.