Black 4.0" Downpipe-Back Exhaust for 2020-2025 L5P 6.6 Duramax DPF Delete Kit | SPELAB
---tab Description--- A practical upgrade for off-road L5P Duramax builds, this black 4-inch exhaust helps improve flow, manage underbody heat, and simplify the restrictive factory setup. Black 2020-2…
TL;DR: ---tab Description--- A practical upgrade for off-road L5P Duramax builds, this black 4-inch exhaust helps improve flow, manage underbody heat, and simplify the restrictive factory setup. Black 2020-2025 L5P 4" Exhaust Overview Fit for 2020-2025 L5P 6.6 Duramax, our 4-inch black downpipe-back DPF de…
