Emissions system
 

If i remove the complete emissions system from my 1983 audi 4000 will the car still run ok
this may be a silly question

What do u mean with "emissions system"? Cat?

if your talking exhaust, eg: cat, centre box etc...should be fine pal

Has it got clean air injection anti smog on it dave ?

i'm on about taking cat out(easy job) but also removing lamba sensor and all the electrical system a long with the control unit (this car is a USA MODEL)

And metering head with stuff as well, if it's KE-jet.

don't know looking through the haynes manual i don't say anything about it

oooft, i think you'll get problems removing lambda sensor etc, not 100% though

the air flow sensor/metering head has a frequency valve fitted

Give us engine code. If your car have something like late B2 4k schematic shows, then u need whole KV [or DZ, if u have 4 cyl engine] ignition and injection stuff.