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Sinister Diesel 4" Stainless Steel Exhaust Kit for Ford Powerstroke 1999-2003 F250/F350 7.3L

Price: $478.67
Sale Price: $475.00
You Save: $3.67
Item Number: SD-473-99
Mfg.: Sinister Diesel
Mfg. Part No.: SD-473-99
free shipping


DISCLAIMER 1) This product may NEVER be installed on a vehicle registered for highway or public street use. 2) By installing this product onto your vehicle, you assume all risk and liability associated with its use. 3) It is your responsibility to make sure your vehicle complies with all federal, state, and local emissions laws. Federal and many state and local laws prohibit the removal, modification or rendering inoperative of any part of the design affecting emissions or safety on motor vehicles used on a public street or highway. Violation may result in a fine of up to $32,500 per vehicle (or possibly higher depending on changes in the law). All civil penalties and fines for removing your vehicle’s emissions equipment are the sole responsibility of the end user. 4) Due to its high performance nature, this product may void vehicle manufacturer’s warranty. 5) Sinister Mfg Company, Inc. is not responsible for misuse of its products. By installing this product, you release Sinister Mfg Company, Inc. of any and all liability associated with its use. 6) No other applications besides off-road competition racing use are intended or implied. Depending on where you live, additional restrictions may apply. Check all applicable laws before installing or using! PRIOR TO PURCHASING THIS PRODUCT, YOU MUST CONSENT TO THE TERMS OF A CUSTOMER NOTIFICATION AND DISCLAIMER OF LIABILITY FORM BY (A) ELECTRONICALLY ACCEPTING SUCH TERMS AT CHECKOUT OR (B) SIGNING AND FAXING SAME BACK TO SINISTER MFG COMPANY, INC. BEFORE ORDERING.

Sinister Diesel exhaust systems deliver tuned performance and are designed to maximize your diesel trucks horsepower and torque. Precision cut and bent out of 409 Stainless Steel, our exhaust is designed to easily bolt together using only the highest grade hardware and materials. Our 4" kit for the 7.3L Powerstroke comes with all of the components that are needed to run a exhaust with a muffler for any cab and bed size combination. In addition to that, each kit comes with an 18” long muffler, and a 18” straight pipe. That way, you have the option to run either Every Sinister Diesel exhaust kit also includes a polished stainless steel rolled tip stamped with the "Sinister Diesel" logo.

  • 409 Stainless steel
  • 18” Muffler & Muffler replacement included
  • Stainless steel, Polished Sinister Diesel Exhaust tip

  • Question & Answer:

    Will this kit fit my truck?
  • Yes, this kit is designed to fit any cab & bed configuration
  • How much is the shipping charge?
  • Free ground shipping to the lower 48.
  • Do I need stainless steel?
  • Stainless steel is recommended for most users. If you are in a wet climate and encounter salted roads, we insist on the Sinister 409 Stainless for the longevity it will provide.