2011-2026 Ford Powerstroke 4 inch downpipe back exhaust
Engineered for the 6.7L Powerstroke, this 4-inch downpipe-back exhaust system maximizes flow and minimizes restriction across your entire exhaust path. Built with heavy-duty construction to withstand diesel temperatures and pressures, it delivers improved throttle response and reduced backpressure. The larger diameter piping supports both stock and modified power levels while maintaining durability through years of demanding use. Direct fit for 2011-2022 Ford trucks—no modifications required. To Use this on a 2022 HO or newer you need to also purchase the upgraded downpipe on our side. OFFROAD USE ONLY
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Smeding Diesel S400 Kit with Turbo and Manifold for the 2019-2024 6.7L Cummins
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Frequently asked questions
What is the return policy?
Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right.
Are any purchases final sale?
We are unable to accept returns on certain items. These will be carefully marked before purchase.
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We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Where are your products manufactured?
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
How much does shipping cost?
Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.