I have a turbo integra greddy kit its making 230whp now. Exhaust on it now it custom. Horrible bends, 2.5in and a twin loop muffler… it sounds great but I want more power. I want to get a 3in made with mandrel bents. And change out the muffler. Any recommendation and should I get another tune. If I upgrade my exhaust. How much power do you think it will add on….

 

no one can guess your horsepower. either do a another custom setup or you can do thermal 3" or kteller kit. you will need to retune as a better flowing exhaust can change afr drastically

 

I have the thermal. Its nice but more $ than most custom 3"