Background: The GTI is currently outfitted with a CC Design exhaust that I have tested in a variety of ways. CC Design is in the process of developing a new muffler option that is similar to the stock muffler setup, retaining the 3.5″ piping that my current setup uses. Some pictures of the product in
CC Design Mk7 Suitcase Muffler Prototype Read More »
Background: A previous post addressed collecting boost onset data with the Mabotech M600 turbocharger. This post presents the boost onset after removing a GESi catalytic converter from the exhaust system. Test Setup: The GTI is set up as follows: Boost onset data is logged in third gear, varying the starting engine speed from around 1,500
Mabotech M600 Boost Onset – Catless Read More »
Background: It’s been five years since I did a deep-dive comparison of the performance of an OEM Diverter Valve (DV) and the Forge Blow-Off Valve (BOV). I was not able to measure any attribute where performance differences were meaningful, concluding: This comparison has shown that the operating times and rates at which boost pressure decreases
Is the stock DV the best? Read More »
