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Sinister Diesel

Founders Brian George, Michael Mitchell and their whole team share a love of everything diesel. One afternoon, while working on Brian’s truck they thought of starting a new company

"There were already online parts suppliers," says Brian, "so we knew it wasn’t enough to just start another one. We wanted to create a high performance diesel parts company that actually changed the way business was done, especially when it came to customer service.


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Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L

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Sinister SD-EGRD-LLY – 2004.5-2005 GM EGR Delete

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Sinister SD-EGRD-LMM - 2007.5-2010 GM EGR Valve/Cooler Delete Kit

Sinister SD-EGRD-LMM – 2007.5-2010 GM EGR Valve/Cooler Delete Kit

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Sinister SD-EGRD-LML - 2011-2015 GM EGR Delete Kit

Sinister SD-EGRD-LML – 2011-2015 GM EGR Delete Kit

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