Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing 1993-dodge-intrepid-esi9989575 Adds a calculated +27 hp

Adds a calculated +27 hp and +51 lb-ft

Seven LED RPM/shift light indicators on top of the housing (programmable and dimmable)

Oval Straight-Through Performance Exhaust Muffler 12468 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill

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Verify your exhaust has a single (not 2-into-1) configuration before ordering

Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing 1993-dodge-intrepid-esi9989575 Adds a calculated +27 hpThe easy 30 minute install of the new updated "Blue Spring" will increase your fuel pressure back up to where it should be from the factory. Most 6. 0's see an increase of 10 psi of fuel pressure. The added fuel pressure will help keep the injectors from outflowing the stock fuel pump, meaning no air in the injectors, and an injector that will live much longer. Most trucks will actually quiet down a little at idle, rev up a lot quicker and with the