02 E39 530i catalytic converter delete With Magnaflow muffler

[@kreindlerful]

Did you keep the resonators? It’s weird cause i am under the impression that mine sounds a little louder (magnaflow muffler and a small resonator with stock cats):
ua-cam.com/video/g6sBD3m6n0E/v-deo.html

[@Codeman785]

Did you keep resonators? Or just magnaflow?

[@MrHengDoItAll]

keep resonators. but if want louder remove it

[@arihawk112]

any loss of horsepower?

[@MrHengDoItAll]

Arion Aghaie I don’t feel loss any power , but I fell awesome and sound very nice