07-02-2019, 05:12 AM | #1 |
Lieutenant
276
Rep 417
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Remus midpipe - quieter?
Hi all,
I got the Remus non-resonated mid pipe fitted to my M4 that has the stock ZCP muffler. Prior to installing the mid-pipe, the car sounded bassy/boomy from 1000-3000rpms, but after installing the mid-pipe it's lost that bassy/boomy sound from 1000-3000rpm and on partial throttle, sounds like the valves are not open! Only when getting onto full throttle and higher up the rev range does the exhaust sound loud, but I was wondering if this is normal or if the exhaust wasn't fitted properly? Has anyone else noticed this with a mid-pipe/ZCP muffler combination? The valves are definitely open as I can hear them engaging when I put the car into sport mode.
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F82 M4 | 6-speed manual | PP performance Stage 2 tune | Re-valved Bilstein B16s | VRSF midpipe | OEM CS front splitter | OEM GTS hood | OEM M-performance rear diffuser| Evolve tuning catless downpipes | 310rwkw (415rwhp)
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07-03-2019, 12:19 AM | #2 | |
Enlisted Member
16
Rep 37
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Quote:
Are you using a valve controller/module to have the valves open on start? |
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Appreciate
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