[Blue Highway]

I always had a fondness for these ugly imports. Was sad to see them go in the 70's.

[Eric in the Ozarks]

There were hop-up parts for Opel cars back in the late 1960s. A buddy owned a Kadett with a 1.1 liter 4 banger that would turn 7,000 rpm.
It sounded like a thousand angry bees...