Thread: rear diffuser
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Old 03-09-2010, 06:33 AM   #10
MN 986
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Join Date: May 2008
Location: MN
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Quote:
Originally Posted by 23109VC
assuming you buy these painted..and assuming you do NOT remove the bumper and do it with the car on the ground.... and you have "average" ability..but ARE capable of doing the job - how long shoudl it take to line these up and bolt them on?

so let me see if I have this correct - the bumper has two holes predrilled...and those holes correspond to mounting points that the diffusers use? then you simply add in the third one? sounds kind of easy..

do the diffusers have bolts embedded in them or predrilled holes...so you haveto lineup the holes on the diffuser with the hoels on teh bumper? then drill one more hole in the bumper by the muffler / tips ?

overall - it must be pretty straightforward to see how they line up - or would it be very easy to put one on "crooked" and then have it look "wrong"....

you could probably line it up and hold it in place with painters tape or some other cheap/quick tape type item..then step back and eyeball it to see how straight they look...then drill it in once you iknow it's all lined up..

The diffusers I bought from the link in a previous post had 3 threaded holes each, and came with threaded rod to screw into the holes, and washers and nuts (I thought the threaded rod was a little short, so I went to the hardware store and got longer pieces). Install took me a 2 or 3 hours working at a leisurely pace with the bumper cover still on the car, and the car on a lift.
The 2 holes needed toward the sides of the car were already in the bumper, but I think I had to remove some hardware holding the heat shielding in place, and I had to drill them out a little larger. The 3rd hole (near the exhaust tip) had to be located and drilled.
Sorry for some uncertainty on my part, but the car is in winter storage mode and I can't get a good look at it to refresh my memory. It sounds like at least a few others have the same diffusers, so maybe they can correct me or add any details I missed.
Good luck!
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