Adding a catalyst, or two, to a 914?!, It has already been done, I'd like to learn more… Options

[horizontally-opposed]

This thread prompted by an idea discarded long ago and revived by a recent post from @Chris914n6 elsewhere noting his decision to add a cat to his 914. Curious to hear thoughts on upsides and downsides with this idea. Feasible? Effective? Ineffective? Stupid? Sure to cook the engine's—or the 901's—oil? Or?

Talk about threads I thought I'd never start, but my 914 is pretty smelly in 2020 in a way it wasn't when I started driving it in the 1990s…because all cars have become so much cleaner and the older cars on the road back then are long gone now. Turns out, there are such products out there—and I am surprised by the price disparity.

https://www.holley.com/products/exhaust/cat...l/parts/2000124

https://shop.redline360.com/products/g-spor...gh-output-85030

[ClayPerrine]

I am all for clean air.. I do like to keep breathing.

But I think that the car hobby people of all types are a very small subset of the driving public. So the added emissions from not running cats on our cars is offset by the general public that buys a new car every few years. Things like catalytic coatings on radiators that clean up the air as the radiator moves through it have been in cars for years now. Plus, car hobby people in general keep their hobby cars better maintained than the regular public. Some of which don't even know how to open the hood on their cars.

I maintain the emissions components such as charcoal canisters and alike on my 914s. But trying to get a 50 year old carbureted 914-6 to work with cats is like putting a elevator in an outhouse. It just doesn't belong.

Just my $.02.

Clay