50 State Legal Up-Pipe Kit

Features:

• 50 State Legal with CARB EO# D-721-9
• Fits 2004.5-2007 6.0L Powerstroke engines
• Improves exhaust flow for better performance
• 11-gauge stainless steel construction
• .120-inch wall thickness for added strength
• Internally sleeved bellows resist cracking
• Durable stainless steel inner liner bellows
• Helps prevent exhaust leaks and failures
• Ideal for performance or towing applications
• Backed by a 2-year Sinister Diesel warranty

A Smart First Step Toward Better Exhaust Flow

When it comes to building a more reliable and better-performing exhaust system on your 2004.5–2007 Ford 6.0L Powerstroke, upgrading the factory up-pipes should be high on your list. The Sinister Diesel 50 State Legal Up-Pipe Kit is designed to replace the weak factory pipes with high-strength, performance-focused components that are built to last. These up-pipes feature 11-gauge stainless steel construction with thick .120-inch walls, giving them the strength to handle heat and pressure without cracking or leaking. The internally sleeved bellows are designed to flow exhaust smoothly, helping reduce restrictions that can rob your truck of power. Plus, thanks to its CARB EO# D-721-9 certification, this kit is 50-state legal, making it the perfect choice for owners who want performance gains without giving up emissions compliance.

Durability That Works as Hard as You Do

Whether you’re towing heavy, using your truck for work, or just looking to improve reliability, this up-pipe kit delivers dependable performance you can feel. By reducing common failure points found in the stock pipes, this upgrade helps keep your turbo operating at peak efficiency while supporting quicker spool-up and better throttle response. It’s a great choice for drivers who are looking for long-term durability without diving into major modifications. Best of all, Sinister backs this kit with a 2-year warranty, giving you extra confidence in your investment. If you want to tackle exhaust leaks before they happen and boost your truck’s performance in the process, this Sinister Diesel Up-Pipe Kit is the right tool for the job.

Fits: 2004.5, 2005, 2006, 2007 Ford F250/F350 6.0L Powerstroke