Headers and aftermarket exhuast on a hybrid?

[bbaker5055]

I just want to know what would happen if you put drag headers and an aftermarket exhuast system on a hybrid. Would it even run and if so would it affect anything in the car or emissions? Thanks

[ChuckFickens]

Why would you buy a hybrid and then try and tune it!

Anyhow, the petrol engine in most hybrids is exactly the same as a petrol engine in any other car, the only difference is a hybrid has additional batteries and electric motors.

If you kept the cats in the exhaust it wouldn't affect the emissions much at all, if you removed them it would affect it hugely, but it would also never pass a MOT.