Hi my fellow s2000 owners, I own an 03 s2000 and have recently developed a minor rattle in the resonator, I am thinking of replacing it with an aftermarket resonator, but I’m curious if it would make it sound raspy. How do the stock resonators compare in sound to aftermarket resonators? I’m also planning on replacing my stock mufflers with higher flow mufflers if that helps, thanks!

 

if you have stock exhaust, its the secondary core in the catalytic converter rattling.

Just get a HFC

 

it is the resonator, we checked my exhaust out and nothing else rattled but the resonator.