2017-2023 GM/CHEVROLET 6.6L DURAMAX L5P THROTTLE VALVEImprove throttle response, eliminate restriction, and increase airflow to your 20172023 GM/Chevrolet 6.6L Duramax L5P engine with this Throttle Valve Upgradekit. Designed for off-road and competition use, this high-flow billet aluminum replacement deletes the factory throttle valve, which is known to be a bottleneck in the intake systemespecially on tuned or performance-modified trucks.The factory throttle valve is often used in emissions strategies that may lead to buildup, poor airflow, or boost-related restriction under load. Removing it allows for a consistent, unobstructed path for air into the engine, improving throttle response and overall airflow efficiency.Features & Benefits:Fits 20172023 GM/Chevrolet 2500HD, 3500HD with 6.6L Duramax L5PEliminates restrictive factory throttle valveIncreases intake airflow and reduces turbo lagMade from aircraft-grade billet aluminumCompatible with stock and aftermarket charge pipesImproves throttle response and top-end performanceIdeal for tuned Duramax buildsCorrosion-resistant anodized finishSimple bolt-on installationNo throttle blade (race use only)3 x 1/8″ NPT connections for connecting Boost, Water/Methanol, Nitrous, or Boost leak down equipmentLeak proof O-ring connectionBarbed machining for maximum grip on lower intercooler boot1/2″ longer than the factory throttle valve for maximum clearance and fitTruck Compatibility / Applications:20172023 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P20172023 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5PThe Throttle Valve Upgradefor L5P Duramax trucks removes airflow restrictions and is the perfect upgrade for high-performance or off-road builds. Made from billet aluminum for strength and precision, it offers reliable performance and improved airflow dynamics.Shipping Disclaimer: We ship via USPS, UPS, and FedEx. Carrier selection is based on package size, weight, and destination. Expedited shipping options is available, call to check freight options Orders are processed within 1 business day (MondayFriday). Orders placed on weekends or holidays will be processed on the next business day. Tracking information will be provided once the item ships. Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.California Proposition 65 Warning:This product may expose you to chemicals including aluminum, fuel vapors, and machining oils, known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit: www.P65Warnings.ca.govBig Dawg Diesel Disclaimer:This is a race-only product. It is not legal for sale or use on pollution controlled vehicles that are driven on public streets, roads, or highways. Buyer’s use or installation of this product for itself or for Buyer’s customer is at Buyer’s own risk. The Buyer is responsible for obeying federal, state, and local laws. Only Buyer can determine end customer’s use and thus assumes any and all liability hereby waiving any and all claims against Big Dawg Diesel in the sale of this product to the maximum extent permissible by law. Make sure to abide by all local, state, and federal laws, including emissions, vehicle safety, and traffic laws. It is Buyer’s responsibility to know what those laws are and how they apply to Buyer or Buyer’s customer. This product is designed and intended solely for legally organized and sanctioned, closed-course, off-road competition use and is not for use on public streets, roads, or highways. This product is capable of disabling the emissions system on some vehicles. Use on public streets, roads, or highways is a violation of federal and certain state (including California) and local environmental laws.