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Chadillac2000's 2008 135i Road Warrior Daily Driver Build Thread
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09-05-2016, 02:43 PM
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chadillac2000
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Drives: 2015 BMW M3
Join Date: Nov 2008
Location: Asheville, North Carolina
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After driving around the car for a few weeks with all the new power modifications and a healthy ignition/fuel system, it didn't take long before I started yearning for a subtle increase in exhaust volume; at least enough to match the sensational symphony of sounds coming from the intake side of things. At that point I began doing research for what I considered ideal for my daily driver. The fact that I was running catless downpipes meant that it would be very easy for me to overdo things and wind up with a droning setup that would drive me crazy on my morning and afternoon commutes. While a small increase in overall volume, crackles and pops was the ultimate goal, looks and being drone-free also played an important factor. Soon after starting my investigation I placed my order for the best option for me, the Maddad Whisper axleback with optional black ceramic coated 304SS tips. Unfortunately it took over a month for the new piece to arrive despite no backorder, but Rich compensated me for the delays and I can understand having something custom built to order can take time. Once the exhaust arrived and I was able to see the build quality; it was water under the bridge. Some shots of the brand new exhaust unboxed:
The install went fairly smoothly. I hate dealing with spring bolts, but still had the OEM piece removed and the MadDad Whisper fitted up in a little over an hour.
My initial thoughts are:
The ceramic black tips are exactly what I was looking for
The weight is significantly lighter than the OEM piece
Fit and finish was spot on
Cold starts are noticeably louder
Quietens down quickly and sounds almost stock at idle
On an average drive, volume has probably increased 15-20% over stock
More pops and burbles on deceleration, as well as when the engine is free revved
NO DRONE at any RPM in any situation
Once the exhaust breaks in a bit, I'll update everyone with how I feel after a few months of daily driving with the new setup.
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Last edited by chadillac2000; 09-06-2016 at
01:00 PM
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