Zilla Carbon Fiber Turbo Inlet Tube for 2020-2024 GM 6.6L Duramax Introducing the PPE Zilla Carbon Fiber Turbo Inlet Tube - an exceptional performance upgrade to your GM 6.6L Duramax. Handcrafted from 100 percent genuine, dry/prepreg carbon fiber and finished with a sleek clear coat, this intake tube exemplifies top-tier quality and durability that's typically only seen on supercars. The PPE Zilla Carbon Fiber Turbo Inlet Tube replaces the restrictive, plastic intake tube and resonator that comes stock on your truck. The kit includes the PPE Zilla Carbon Fiber Turbo Inlet Tube, two Heavy-Duty 6mm 5ply Black Silicone Couplers, and stainless steel coupler clamps. Carbon Fiber Forged 100 percent Genuine, dry/prepreg carbon fiber construction Easy, bolt-on installation. No tuning required Kit includes stainless steel clamps and PPE 5ply silicone couplers Eliminates stock restrictive resonator and improves airflow