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Hello!
I have already install an inox decat handmade exhaust on my 145 boxer that I'm preparing for track day use.

YouTube - Alfa Romeo 145 boxer exhaust 1

YouTube - Alfa romeo 145 boxer exhaust 3

I have a question for the next step.

Place a decat pipe or an race cat?
which choise will give me the best performance?
A de cat pipe, even an excellent sports cat is a disruption to flow. But it is minimal. Why pay for a cat u don't need. Also there is a chance it might bring up the engine light, I think a remap will get rid of it if it does.
 

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Discussion Starter #4
A de cat pipe, even an excellent sports cat is a disruption to flow. But it is minimal. Why pay for a cat u don't need. Also there is a chance it might bring up the engine light, I think a remap will get rid of it if it does.
The engine will be soon replaced with an 1700 16V plus remap.I believe that we will get 150+hp for a start.

Our target is 200hp natural aspired for track day use.

We carefully make each step.Firts the cat back exhaust and now
we are searching for the best solution decat or race cat for maximum performance.

Thanks a lot

P.s First the mechanical issues and at last the styling washing waxing etc.:thumbs:
 
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