Earl's Tube Sleeve -8 AN - 1/2 in Tube - Blue 4414XXLBK The mufflers in our Axle-Back

The mufflers in our Axle-Back systems are tuned for each specific application

2011-2014 GMC Sierra 2500 HD

Fitting ports are 1/8"NPT

229 and 262 V6 and '55-'91 Chevrolet 265-400 Small Block features billet gears and a seamless roller chain

it manufactures purpose-built designs used in all forms of racing worldwide

Earl's Tube Sleeve -8 AN - 1/2 in Tube - Blue 4414XXLBK The mufflers in our Axle-BackEarl's offers the most complete line of adapter fittings in the industry. In addition to the standard range of AN adapters in both aluminum and steel, over the past 30 years Earl's has designed and manufactured a wide selection of special adapter fittings to meet the needs of the racing industry. These specials include metric to AN, inverted flare to AN and power steering fittings. Product Description: Tube Sleeve 8 AN 1 2 in Tube Aluminum Blue