08-14-2018, 06:49 AM | #1 |
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Straight pipe
I have an aftermarket exhaust on my F10 but it's not loud enough. I'm thinking of going straight pipe but don't know if I really need to straight pipe the whole thing or just from the mufflers. Anybody have either setup and can talk about how the drone is? Also any codes that came up? Thank you
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08-14-2018, 12:08 PM | #2 |
Curve Thrasher
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adding down pipes will surely help you first. straight pipes 2nd
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08-14-2018, 06:50 PM | #4 |
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08-14-2018, 06:56 PM | #5 |
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08-15-2018, 02:17 PM | #6 |
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Yes sir, coming from an E60 M5 with RPi Catless Headers and RPi GT Exhaust, I had to find a way to make the F10 sound just as good as the E60's V10, in order for me to keep the car. If it weren't for the F10 RPi GTM Exhaust I would've gotten rid of the F10 M5 a long long time ago.
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08-15-2018, 08:47 PM | #7 |
Curve Thrasher
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and your car is still running strong d.
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08-20-2018, 05:07 PM | #8 |
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I’ve ran straight pipes with cats and straight pipes with catless downpipes
With downpipes it’s crazy loud ideally to loud but I like it.. but couldn’t bare with the cold starts so turned that off Most will probably prefer the sound levels with cats |
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08-21-2018, 01:52 PM | #10 |
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A catless DP with the RPI GTM would take it to the insane level. some drone at around 1800 rpm but no one really drives at that rpm. cracks and pows during gear change for sure
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08-22-2018, 05:47 PM | #11 |
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it's not that bad w that set up. I love mine and zero complaints from my wife
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09-30-2018, 05:19 AM | #13 |
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Curious to know what exhaust you already have on it? I have the Turner straight pipes which is just a muffler replacement. I love the sound and not a lot of drone.
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10-05-2018, 06:32 AM | #14 |
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I'm using rpi dp and straight pipes.
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10-05-2018, 07:03 AM | #15 |
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Ive got catless downpipes and stock exhaust
I put comp mufflers one rear and it didn't change much Is removing resonators going to make it much louder? |
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10-06-2018, 08:59 AM | #16 |
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10-20-2018, 10:51 AM | #17 |
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I have CP exhaust. I cut out the top rear section of the muffler and pulled out all the packing. Then I made a sheet metal plate and formed it around the section of pipe that has all the holes in it. I welded that in place and then welded the top section of the muffler back on. Just the top half has the holes covered. I can't get to the bottom of the pipe without cutting out the bottom of the muffler.
It sounds great with no drone. Definitely louder and more "crackly" than stock. I also cut out a resonator and found absolutely nothing inside. It's just a straight through pipe with no holes or anything, so I just welded it back in. I don't see how a straight pipe would change anything. Maybe the standard exhaust has vent holes inside the resonators but the CP resonators definitely do not.
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10-20-2018, 06:41 PM | #19 |
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perhaps on your car but not mine.
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