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Before diving into the rational behind converting, let's take a second to explore what exactly is on the truck from the factory. The Acert engine does NOT have twin turbos. Twin turbos implies that both turbos are the same, which is not the case on the Acert. The C15 Acert utilizes a compound turbo setup, which features a high pressure turbo and low pressure turbo.The high pressure turbo is smaller in size and it the first one to get exhaust gas from the manifold. The smaller size and positi …

The C15 Acert went through a few different variations from 2004-2010 during their production time.  First there was the BXS, then MXS, and NXS, and then finally the SDP.While each version was slightly altered from the last, one thing that remained constant was that the Acert came with two turbos - a high pressure turbo and a low pressure turbo.  Often times people refer to the C15 Acert as a "Twin Turbo", but these turbos are NOT the same.  The high pressure builds boost right off …