Could 2,5"/3" exhaust system be quiet?

[gmac78]

I have a 3" downpipe and exhaust, tapering down to 2.5" to clear the rear diff and connected to the original back box. Zero drone and a lovely burble sound. So glad i never threw the stock back box away years ago. Much better sounding than the previous setup which was the standard downpipe connected to a 2.5" system and one small back box, that setup was so droney way to loud!

[rafa89]

On my UrS4 I have a 3.5" straight pipe from turbo to the original back box and it's awesome! No drone at all, very quiet when cruising, but a nice 5 pot rumble on WOT.

[s2dk]

i have 3" dp with no cat into a resonated milltek system in 3" i dont think its very load.

[diesel des]

On my UrS4 I have a 3.5" straight pipe from turbo to the original back box and it's awesome! No drone at all, very quiet when cruising, but a nice 5 pot rumble on WOT.

Have you measured back pressure? How much power do you have?

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