2014-2017 Sierra 1500 4.3L/5.3L 143.5" WB Catalytic, Extension Pipe & Muffler Kit - EPA Approved GE03279 rust-resistant performance with clamps and

rust-resistant performance with clamps and hangers included for free

Upgrade with our 409-Grade Stainless Steel Flex Y-Pipe

Northeastern Exhaust | Direct Fit Exhaust Muffler and Tail Pipe System Kit

Northeastern Exhaust | Direct Fit Exhaust Muffler and Resonator Pipe

2014-2017 Sierra 1500 4.3L/5.3L 143.5" WB Catalytic, Extension Pipe & Muffler Kit - EPA Approved GE03279 rust-resistant performance with clamps andUpgrade to Northeastern Exhaust Catalytic Converter, Pipe and Muffler designed for chloride exposure, oxidation resistance, and harsh winter environments. Built for corrosion resistance and long term reliability. Direct fit for 20142017 GMC Sierra 1500 4. 3L 143. 5" WB 20142017 GMC Sierra 1500 5. 3L 143. 5" WB 409 Stainless Steel Tough, Rust Resistant, Reliable