De-Cat Power Increase

[pezzonovante88]

Does anyone have any data or experience regarding the horsepower increase numbers from removing the catalytic converter on an otherwise stock exhaust/manifold system? Is the main difference between the US spec and Euro spec car the existence of the catalytic converter?

[Mark D]

In the dyno thread someone posted a run with a setup pretty close to stock with a gutted cat:

http://dmctalk.org/showthread.php?19...ll=1#post27033

[pezzonovante88]

In the dyno thread someone posted a run with a setup pretty close to stock with a gutted cat:

http://dmctalk.org/showthread.php?19...ll=1#post27033

Thanks a lot man!