Fiat 850 exhaust systems?

Fiat4Fun

Fiat4Fun

True Classic
Was thinking about changing my 850 exhaust system. The current one works fine, it's a 4 into 2 with two glass packs with crome tips! I like the chrome tips but was thinking of something more like the old Abarth systems, that had a nice muffler and two chrome tips. I found what appears to be a stainless steel system in England, but not sure I need to worry about having a stainless system ;-) I still remember the old "affordable" Bayless system.....
Any thoughts?
 
I've done business with Michael Feyl of Scuderia Topolino and he's very honest and fair during my trading/buying experiences. He has two restored PBS Sports Racers he runs.
 
fiatrn said:
www.abarth-online.de

Exhaust system

www.abarth-online.de www.abarth-online.de
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I have the 04-04 system from Michael Feyl. It's expensive but damn it's pretty! The old one rusted through. I welded on an SS straight-through muffler off eBay.
20220903_110456.jpg
 
Years ago I worked at a place that raced an 850, it was found that more power was to be had with a system like shown in you bottom photo where the pipe first goes forward adding length to the system. On my 600 I purchased a system from classicperformance-parts Very happy with it not very restrictive and more importantly, not overly loud and seems to be well made. Question. In the photos it looks like you have a place for an 02 sensor, Why?
 
Hackerjay said:
Years ago I worked at a place that raced an 850, it was found that more power was to be had with a system like shown in you bottom photo where the pipe first goes forward adding length to the system. On my 600 I purchased a system from classicperformance-parts Very happy with it not very restrictive and more importantly, not overly loud and seems to be well made. Question. In the photos it looks like you have a place for an 02 sensor, Why?
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he has a supercharger and injection
 
cool, I had planned on supercharging my 600 using a 903 that I have. Ended up going with a stock Abarth 1050 from an A112. Have you posted anything on how the supper charger and FI were done?
 
Graham has posted 15 pages on this thread:

850 Sport Coupe series 2 track car.

Assembling the engine for my car at the moment and need to buy a electronic conversion for my Marelli S118AA distributor. Probably will go for the Pertronix model but open to suggestions. Part number people have been using? This is probably bad manners but my car can be seen at this link...
xwebforums.com
 
Hackerjay said:
Years ago I worked at a place that raced an 850, it was found that more power was to be had with a system like shown in you bottom photo where the pipe first goes forward adding length to the system. On my 600 I purchased a system from classicperformance-parts Very happy with it not very restrictive and more importantly, not overly loud and seems to be well made. Question. In the photos it looks like you have a place for an 02 sensor, Why?
Click to expand...
The engine is full EFI using a Microsquirt.
 
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