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05-16-2018, 02:04 PM | #1 |
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exhaust change 128 to 135
hi, if i put a 135 muffler instead of my stock 125i coupe muffler, would the exhaust tone, noise and noise level change?
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05-16-2018, 06:12 PM | #2 |
Major
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A little. It's a bit deeper down low, and provides a bit more tone. If you disable the valve/flap (look up "golf tee mod") it's a bit more deep below 2500 rpm.
It's a subtle change, not a huge change, but noticeable. |
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05-16-2018, 07:22 PM | #3 |
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Drives: 128i Convertible
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how would you think the sound of the 135 muffler with golf tee mod compares with that of the BMW performance exhaust on the same car?
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05-18-2018, 08:52 AM | #6 |
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So if you have headers already it sounds like the 135i muffler might be best if you don't want to be super loud correct?
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2015 435i grand coupe xdrvie (current)
2006 F250 powerstoke CCSB (current) 2014 M235i Black on Red (SOLD) / 08 e90 335i MT Pure Stage 2 High flow (SOLD) 08 128i 6MT (SOLD) / 08 335i 6MT Pure stage 1 (SOLD) |
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05-18-2018, 09:56 AM | #7 |
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I wanna do a 135i muffler and a resonator delete (replace with y-pipe). The 130i's I've heard sound epic with this setup. It sounds very bassy, tonal, and with a wonderful amount of overrun crackles and pops...
I'll edit with a link or two later for your viewing pleasure, school doesn't allow YouTube...
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2012 BMW 328i 6-Speed Wagon | Deep Sea Blue with Grey Dakota Leather | Manual Swap, 330i Intake + Tune, 3.15 Helical LSD, Öhlins R&T
(SOLD) 2009 BMW 128i 6-Speed Coupé | Monaco Blue with Black Sensatec | chris_flies' 128i thread |
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