Sinister Diesel Ford 6.0 Powerstroke Exhaust Headers | 2003-2007 Ford Powerstroke 6.0L

Do you need durable horsepower-building exhaust headers for your Ford Powerstroke Super Duty F-Series or Ford Excursion? Install a set of these high-flow stainless tubular headers to reduce under-hood temperatures and increase exhaust flow!

These have added 27 hp and 56 lbs-ft of torque on a Powerstroke with a stock tune, and added as much as 37 hp and 99 lbs-ft of torque with a modified tune. Sinister Diesel headers produce power in the low RPM power band, making these perfect for towing.

These tubular headers are made from durable stainless steel and are built to last. Headers include CNC stainless flanges and are precision TIG welded. includes an EGT bung, welded on the driver side header. Pick one up for your Ford Power Stroke today! These exhaust headers are for a 2003, 2004, 2005, 2006, or 2007 Ford Super Duty or Excursion with a 6.0L Powerstroke engine.

Features and Benefits:

• 304 Stainless Steel Tubing For High Temperature Oxidation Resistance
• Mandrel Bent Tubes with TIG Welded CNC Precision Machined Flanges for Precision Fitment
• Back Purged Welds for Superior Stength
• 1 5/8" Primaries to 2" Collector
• Performance Notes - Up to 27 hp and 56 lbs-ft on stock tune and up to 37 hp and 99 lbs-ft with a modified tune
• 2 Year Warranty
• (1) Set of Sinister Diesel Exhaust Headers
• (1) Set of exhaust gaskets
• Steel mounting hardware for installation