ARM Motorsport downpipe for the Mk7 GTI is one of the lower cost option downpipes available. To evaluate if different aftermarket downpipes produce a measurable difference on vehicle performance a sample of the ARM product was obtained. Before installing onto the GTI the downpipe will be flow tested.
Background: As part of identifying a good performing Front Mount Intercooler (FMIC) to pair with an aftermarket Stock Mount Intercooler (SMIC) in a bicooler configuration there have been a few candidate FMICs installed on my GTI to collect data. Note: Image above is not of the products used in this test. With summer temperatures prompting
FMIC vs SMIC | AC On Read More »
Stratified’s fifth revision to a custom E30 tune is installed and produced the results shown in the following charts. The revision five results are compared to revision four. The dashed lines are Rev 5, the solid lines are Rev 4. Boost onset is slightly sooner, but this is most likely a result of logging on
Stratified E30 Tuning – rev 5 Read More »
