Testing

Baun Performance GESI 4" Downpipe Flow Test

Baun Performance DP Flow Test

Background: Baun Performance sells a 400 CPI GESI catted downpipe and an accompanying 3.5″ resonated midpipe for the Mk7 GTI. I had concerns that future tunes using the Cobb Accessport may cause the CEL to illuminate if I continued to use a Trackslag catted downpipe, so I switched over to the Baun Performance setup. The […]

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ARM Motorsports FMIC in Bicooler configuration

ARM Bicooler Street Data

Background: ARM bicooler street data is the subject of this post. Recently somebody pointed out to me that ARM Motorsports offers a bicooler hose option for their FMIC, and the same person asked if I had used the ARM FMIC as a bicooler. “Why yes I have“, but I never made a post to detail

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Mod Stk Cutout - 034 Insuction parts

More Modified Stock Airbox Testing

Background: Over the weekend I came across a not-so-uncommon exchange. A Mk7 owner has an intake product in mind that they’re considering purchasing and a representative from vendor EQT suggests that instead of what they’re thinking about buying, the owner should spend “a small bit more” and buy a product EQT is selling instead. I

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