This reviewer is a member of the Best Buy Tech Insider Network Program. This invitation-only program provides BestBuy.com reviewers with manufacturer-supplied products for the purpose of writing honest, unbiased and usage-based reviews. Outside of receiving products to test and review, Best Buy Tech Insider Network Reviewers are not compensated in any other way.
This Metra 40-GM21 adapter lets you connect an aftermarket antenna to your compatible 1998-2008 GM vehicle's factory-installed radio. Copper, polypropylene and steel materials and copper shielding provide durability.
This reviewer is a member of the Best Buy Tech Insider Network Program. This invitation-only program provides BestBuy.com reviewers with manufacturer-supplied products for the purpose of writing honest, unbiased and usage-based reviews. Outside of receiving products to test and review, Best Buy Tech Insider Network Reviewers are not compensated in any other way.