the rs-r exmag is shit loud on a KA with a straight pipe I'll tell ya that. I haven't got the chance to test it with my resonated straight pipe because my turbo exhaust manifold cracked. but i'll let you know how it sounds after.
Suposedly, its quiet with a resonated straight pipe/cat on a turbo car. On KA non turbos, it'll be loud as hell.
The B pipe is NOT resonated, its just the muffler that resonates the sound, theres no extra resonator.
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