Background: Mabotech offers a “true” 3.5-inch downpipe for the Mk7. The emphasis on “true” distinguishes this downpipe design from some products that taper before reaching the connecting point to the midpipe. The Mabotech 3.5″ downpipe joins to a 3.5″ midpipe, eliminating a point of restriction. Tests with various intake setups have highlighted the significance of […]
Mabotech 3.5″ Downpipe Flow Test Read More »
Background: Someone brought my attention to the SprogTech ST-X intake, and advised me that a series of impressive claims are being made about the intake. I checked out the product description and then contacted the vendor to ask about the availability of the Dyno results on which they were basing some of their claims. That was
Fact Check: SprogTech ST-X EA8 Intake Read More »
Background: A little over two years ago, I installed a stock Golf R IC in my GTI to compare its performance to the GTI IC. The results showed that the GTI IC was cooling slightly better (~3 degF) than the Golf R. As I noted at the time, the relatively few pulls made with the
Golf R vs. GTI Intercooler Read More »
