| 05-08-2015, 08:41 PM | #1 |
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Lieutenant
 
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F80 M3 Exhaust Valve Mod
Just did this the other day. A few people have been posting about it and I thought Id take a quick video with a really good external mic of the sound.
The mod really brightens the sound of the exhaust up during the low RPM range, and overall gives the car a much deeper sound throughout the rotations of the engine. |
| 05-08-2015, 09:34 PM | #2 |
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Brigadier General
 
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Drives: '23 G80 M3C xDrive; '13 e92 M3
Join Date: Mar 2012
Location: Southern California
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I have a video of the cold start indoors with the valve mod. Car is ridiculously loud and deep... It definitely sounds better in person. It's hard for microphones to pick up the sound and for computers/phones to reproduce it when listening on YouTube.
http://<div class="youtube-playerCon.../iframe></div>
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2023 G80 M3 Competition xDrive Isle of Man Green on Kyalami Orange full leather - 826M black wheels - Carbon Fiber Trim - Carbon Bucket Seats - Executive/Driving Assist/Parking Packages - Laserlight - M Shadowline Lights - M Drive Pro - CS Trans/Diff/Steering Coding
2013 E92 M3 Mineral White on Bamboo Beige noviello leather (Base w/ Nav, Comfort Access, Lighting Pack) - DINAN Stage 1 and Free Flow Axle-Back Exhaust |
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| 05-09-2015, 11:17 AM | #5 | ||
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Private First Class
 
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