4"/5" Downpipe-Back Exhaust for 2017-2025 L5P 6.6 Duramax DPF Delete Race Pipe | SPELAB Color:Silver seek assistance from a professional

seek assistance from a professional mechanic to ensure correct installation and optimal performance

Certificate: ISO9001:2000

and mounting hardware

7L Powerstroke applications

Specification Details Brand SPELAB Product Type Exhaust Header Manifold Application 1962–1974 MG MGB 1

4"/5" Downpipe-Back Exhaust for 2017-2025 L5P 6.6 Duramax DPF Delete Race Pipe | SPELAB Color:Silver seek assistance from a professionaltab Description For 2017 2025 L5P Duramax trucks, this 4 5 inch downpipe back race pipe reduces factory exhaust restriction and supports tuned setups needing freer flow. Note: Spelab 6. 6L Duramax L5P DP Back must be used together with our downpipe. The factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section. Unlock your 2017 2025 L5P 6. 6L