Question 1

Can the Sinister Diesel Bed Step Delete be shipped already painted? View answer

Asked 3 ´months ago | Support

Question 2

will this part fit on my 2017 f350? View answer

Asked 7 ´months ago | Sinister Diesel Hot Side Charge Pipe for High Output 2023-2026 Ford Powerstroke 6.7L

Question 3

What is a CAT filter, and why is it better? View answer

Asked 7 ´months ago | Sinister Diesel CAT Fuel Filter Adapter for 2001-2016 GM Duramax 6.6L

Question 4

What does the "Add Hardware Option" Add and do I need it? View answer

Asked 4 ´months ago | Sinister Diesel Pitbull Series® Turbocharger for 2011-2014 Ford Powerstroke 6.7L

Question 5

Is the IPR for 2003 6.0 genuine View answer

Asked 6 ´months ago | Sinister Diesel Injection Pressure Regulator Valve (IPR) for 2005-2007 Ford Powerstroke 6.0L

Question 6

Does 6.7 Cummins have a coolant filter? View answer

Asked 6 ´months ago | Sinister Diesel Coolant Filtration System for 2019-2024 Ram 2500/3500 Cummins 6.7L

Question 7

Is this compatible with the 2005 E-series? Specifically E-350? View answer

Asked 4 ´months ago | Sinister Diesel Coolant Filtration System for 2003-2007 Ford Powerstroke 6.0L

Question 8

I have an aftermarket valve cover from Spelab. Will this work for my truck? Do you have an adapter if not. View answer

Asked 6 ´months ago | Sinister Diesel Bypass Oil Filter System for 2013-2024 Ram 2500/3500 Cummins 6.7L

Question 9

Does this tuner need to be plugged in at all times or can you program the truck and store it away? View answer

Asked 4 ´months ago | SCT X4 Power Flash Ford Programmer

Question 10

Do you still use the factory oil filter as well as this or does this eliminate the stock filter completely? View answer

Asked 4 ´months ago | Sinister Diesel Bypass Oil Filter System for 2003-2007 Ford Powerstroke 6.0L

Question 11

I just bought the 2026 f450 diesel. Will the 2025 fuel filter conversion work for it? View answer

Asked 6 ´months ago | Sinister Diesel Fuel Filter Conversion Kit for 2011-2026 Ford Powerstroke 6.7L

Question 12

Is installation of this kit easy? View answer

Asked 7 ´months ago | Sinister Diesel CAT Fuel Filter Adapter for 2001-2016 GM Duramax 6.6L

Question 13

If I bought the dry filter element, can I clean that one or do I need to buy a new filter? View answer

Asked 4 ´months ago | Sinister Diesel Cold Air Intake for 2003-2007 Ford Powerstroke 6.0L

Question 14

Will this work with a cp4 disaster kit? View answer

Asked 4 ´months ago | Sinister Diesel Fuel Filter Conversion Kit for 2011-2026 Ford Powerstroke 6.7L

Question 15

What type of finish does this adapter have? View answer

Asked 7 ´months ago | Sinister Diesel CAT Fuel Filter Adapter for 2001-2016 GM Duramax 6.6L

Question 16

Do you sell the braided Hoses separately? View answer

Asked 6 ´months ago | Sinister Diesel Oil Filter & Coolant Filtration System for 2003-2007 Ford Powerstroke 6.0L

Question 17

Do you have this product in stock? SD-IPR-FORD-99.5 View answer

Asked 7 ´months ago | Sinister Diesel Injection Pressure Regulator Valve (IPR) for 1999.5-2003 Ford Powerstroke 7.3L

Question 18

Is this intake compatible with a 2021 Dodge Ram 2500 with a 6.7L Cummins engine? View answer

Asked 7 ´months ago | Sinister Diesel Cold Air Intake for 2019-2021 Dodge/RAM Cummins 6.7L

Question 19

Do you stock EARLY '99 powerstroke 7.3 View answer

Asked 4 ´months ago | Sinister Diesel Charge Pipe Kit for 1999.5-2003 Ford Powerstroke 7.3L

Question 20

Will I need to upgrade injectors to run this turbo? View answer

Asked 2 ´months ago | Sinister Diesel Pitbull Series® Turbocharger for 2011-2014 Ford Powerstroke 6.7L

Question 21

Will the elbow intake fit with Egr throttle plate still attached? 2004.5 year View answer

Asked 7 ´months ago | Sinister Diesel Intercooler Charge Pipe Kit w/ Intake Elbow for 2003-2007 Ford Powerstroke 6.0L

Question 22

How does this affect the fuel filter replacement tracking of the truck? View answer

Asked 7 ´months ago | Sinister Diesel Fuel Filter Conversion Kit for 2011-2026 Ford Powerstroke 6.7L

Question 23

Is this intake compatible with a 2019 Dodge Ram 2500 with a 6.7L Cummins engine? View answer

Asked 7 ´months ago | Sinister Diesel Cold Air Intake for 2019-2021 Dodge/RAM Cummins 6.7L

Question 24

Can I wash and reuse the air filter? View answer

Asked 7 ´months ago | Sinister Diesel Cold Air Intake for 2019-2021 Dodge/RAM Cummins 6.7L

Question 25

Is this programmer compatible with trucks that have had emissions equipment removed? View answer

Asked 2 ´months ago | SCT X4 Power Flash Ford Programmer

Question 26

What does a cold side charge pipe do? View answer

Asked 6 ´months ago | Sinister Diesel Charge Pipe Kit for 2017-2026 Ford Powerstroke 6.7L

Question 27

How is the installation process? View answer

Asked 7 ´months ago | Sinister Diesel Cold Air Intake for 2019-2021 Dodge/RAM Cummins 6.7L

Question 28

How much HP does a Bully Dog GT diesel add? View answer

Asked 6 ´months ago | Bully Dog GT Platinum Diesel

Question 29

What warranty is included with this product? View answer

Asked 7 ´months ago | Sinister Diesel Cold Air Intake for 2019-2021 Dodge/RAM Cummins 6.7L

Question 30

How do you changed the filter? View answer

Asked 5 ´months ago | Sinister Diesel Fuel Filter Conversion Kit for 2011-2026 Ford Powerstroke 6.7L

Question 31

What color is the intake tube? View answer

Asked 7 ´months ago | Sinister Diesel Cold Air Intake for 2019-2021 Dodge/RAM Cummins 6.7L

Question 32

How to prime a diesel engine after changing the fuel filter? View answer

Asked 6 ´months ago | Sinister Diesel Fuel Filter Conversion Kit for 2011-2026 Ford Powerstroke 6.7L

Question 33

Will a Bully Dog GT gas tuner work on a diesel? View answer

Asked 6 ´months ago | Bully Dog GT Platinum Diesel

Question 34

do your glow plugs for the 7.3 powerstroke make a real improvement over stock ones? View answer

Asked 6 ´months ago | Ford Parts Diesel Glow Plug for 1999-2003 Powerstroke 7.3L

Question 35

What material is the intake tube made of? View answer

Asked 7 ´months ago | Sinister Diesel Cold Air Intake for 2019-2021 Dodge/RAM Cummins 6.7L

Question 36

Could these work on a 99 to 03 7.3 as well ? View answer

Asked 7 ´months ago | Sinister Diesel Radiator Support Brackets for 2003-2007 Ford Powerstroke 6.0L

Question 37

What does the kit include? View answer

Asked 7 ´months ago | Sinister Diesel Air Filter Cleaning Kit

Question 38

What is the pre filter? View answer

Asked 11 ´days ago | Sinister Diesel Cold Air Intake for 2017-2019 Ford Powerstroke 6.7L F250 F350 F450

Question 39

Sinister Diesel Coolant Reservoir (Degas) Cap for 1994-2016 Powerstroke 7.3L/6.0L/6.4L/6.7L View answer

Asked 11 ´days ago | Sinister Diesel Coolant Reservoir (Degas) Cap for 1994-2016 Powerstroke 7.3L/6.0L/6.4L/6.7L

Question 40

Will this fit 2026 6.7 H.O? View answer

Asked 17 ´days ago | Sinister Diesel Fuel Filter Conversion Kit for 2011-2026 Ford Powerstroke 6.7L

Question 41

What is a blue spring upgrade? View answer

Asked 7 ´months ago | Sinister Diesel Blue Spring Kit with Adj. Billet Spring Housing and Fuel Filter Cap for 2003-2007

Question 42

How much psi does a 6.0 need to start? View answer

Asked 7 ´months ago

Question 43

Do you have it in other colors like a Grey View answer

Asked 23 ´days ago | Sinister Diesel Coolant Reservoir (Degas) for 2017-2024 Ford Powerstroke 6.7L

Question 44

Is this plug and play? View answer

Asked 23 ´days ago | Bully Dog GT Platinum Diesel

Question 45

Does the kit include a new gasket and O-ring set? View answer

Asked 7 ´months ago | Sinister Diesel Blue Spring Kit with Adj. Billet Spring Housing and Fuel Filter Cap for 2003-2007

Question 46

What type of spring is included in the kit? View answer

Asked 7 ´months ago | Sinister Diesel Blue Spring Kit with Adj. Billet Spring Housing and Fuel Filter Cap for 2003-2007

Question 47

is the cold air intake ca approved View answer

Asked 1 ´month ago | Sinister Diesel Intake Elbow for 1994-1998 Dodge Cummins 5.9L 12V

Question 48

Is this kit compatible with E-series vehicles? View answer

Asked 7 ´months ago | Sinister Diesel Blue Spring Kit with Adj. Billet Spring Housing and Fuel Filter Cap for 2003-2007

Question 49

Does this product come with a warranty? View answer

Asked 1 ´month ago | Sinister Diesel Injection Pressure Regulator Valve (IPR) for 2003-2004 Ford Powerstroke 6.0L

Question 50

What kind of boots are included with the charge pipe? View answer

Asked 7 ´months ago | Sinister Diesel Cold Side Charge Pipe for 2003-2007 Ford Powerstroke 6.0L

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