I have tuxmats in my GTI. Also have weathertechs. The tuxmats are not as slippery when wet and in the case of the GTI, they have better coverage. It's harder for my kids to salt the floor in winter.
The reason for two batteries is to prevent “voltage dip” type issues during restart. The smaller battery is disconnected from the main battery during a stop/start event (Grand Cherokee) via a large relay. The single battery variants have a boost dc/dc converter to raise the voltage on...
Yes, we try. Engines are designed outside of vehicle specific platforms so there is always some challenge. I've had several vehicles that were worse. Nothing like arcing the starter motor while removing the filter (I'm looking at you GM 3.1L V6).
Another plug option...
Looks great! I had those morel comps in a prior vehicle - they sound amazing and they're reasonably priced. Interested to see the sub and amp mounts. Any plans for a DSP?