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2008-2010 Powerstroke Flo Pro 5" Downpipe Back Exhaust No Muffler


2008-2010 Powerstroke 5" Down Pipe Back Exhaust (FLO 633NB)

Fits: 2008-2010 Ford F-250 / F-350 w/ 6.4L Powerstroke

The FLO 633NB is a 5" downpipe back exhaust system by FLO-PRO for the 2008-2010 Ford 6.4L. It replaces your restrictive OE exhaust system from the downpipe back with a 5" mandrel bent exhaust system. It does not include a muffler and is intended for track driven 6.4's! This kit not only sounds great but will improve the torque, mileage, and throttle response on your 6.4L!


  • 5" Downpipe Back Exhaust system.
  • No Muffler
  • Alumized Steel & Stainless Steel
  • No bungs
  • Single Side Exit
  • Easy Install - Mounts to OE Hangers

Part Number: FLO-633NB