Dear friends,

Pls advise wether I have to remove the rear cataletis from my car or keep it as it is. >>>>> ur comments my brothers

 

Okay, I'm taking a stab at your intended question. You want to remove the secondary catalytic converter? Removing it without making other modifications to the exhaust will rob you of back pressure b/c you're also removing the stock crossover as well, but it'll sound good.