But thatís my specialty!
I figured this is the case... So in other words slip ons basically do nothing but decrease performance
Again, just to clarify for anyone reading this and wondering about these mods. Ditching the CAT (the real cat not the breadbox) will most certainly gain performance. I had a noticeable increase in the whole rev range. It was going to either a slip on or no 2nd muffler that seemed hurt low and mids