Quote:
Originally Posted by CMBX23
Awesome, thanks for the info. Any idea of where I can get the bypass plug?
Also, I might be asking too much but does anyone in the NY, CT area know of any reputable shops where I can have this done? Thanks
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You don't need to "buy" anything. You can permanently open the flaps on the exhaust so it operates "full open" all the time.
Super-easy mod..... and I barely notice the noise difference inside the cabin. Outside however, it is noticeably better and healthier.
1) Remove the panels under the exhaust tips (8mm bolts, about 6 each side if I recall)
2) loosen the 3 bolts (10mm if I recall, maybe 12) on the electronic flap actuator (no need to remove them)
3) pull the pin out that connects the electronic module to the flapper valve itself (easy to understand when you are looking at it). Save the pins in case you ever want to re-install them.
4) Familiarize yourself with which position is "open" and "closed". Lay under the car and feel the outboard exhaust pipe when someone starts it. If you feel air, its open.
5) Safety wire the valve open, by running the wire through the slot that had the pin in it. Make sure it is 100% tight, or it will rattle. The space is a little tight, but absolutely doable. Take your time, be patient, and make sure the safety wire is SUPER tight. (I had to re-do one side because it rattled a little)
6) re-tighten the electronic flapper modules. Leave them plugged in.... it doesn't hurt a thing, and won't throw any codes that way.
7) have someone start the car while you stand behind it, let it idle, rev it at different RPMs, etc..... check for rattles.
8) re-install both plastic covers under tailpipes.
Tools needed:
8mm nutdriver (or ratchet/socket)
10mm wrench (ratcheting wrench preferred but not necessary
Safety wire.
That's it.... literally.
It KILLS me when I see people spending big money on electronic devices to control the exhaust flappers, or having it coded, or whatever..... all of that risks check engine lights. There is ZERO chance of a CEL with my method, and it costs about 6 dollars for safety wire.