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Discussion Starter #1
I picked up a new factory bolt-on rear CF spoiler (flat trunk) but it didn’t include any install instructions.

I contacted dealer and Maserati but nobody seems able to help.

Does anyone have a set that can be scanned or point at a download link? Cheers
 

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Dependent on what type of spoiler your bought, if the underside has bolts or the box contains bolts you may need to drill into the trunk. If the lip could be dry fitted and be flush to the way you like it, it may need glue. But aren't they self adhesive?
 

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Discussion Starter #4
@Tacoman, PM sent.
@Kurt, yes it has bolts on underside of spoiler. I was hoping that there would be a drilling template in the instructions as it's obviously difficult to align the spoiler on the trunk with the bolts sticking out of the bottom and I really don't want the bodyshop charging me an arm and a leg for a science project to fit. Thx
 

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You really have to drill the trunk lid to install the factory piece or cut off the posts and try to mount it with just tape. Both can yield good results but honestly if you make a mistake on connecting it you can damage the trunk or it could come off (and they're expensive) so be confident in the installation either way.

Lastly if anyone needs this factory CF wing for a flat Trunk GT 4.2L, we have one in stock, ready to ship and will make sure to have a competitive price to get it moving!

Best Regards,
 

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Discussion Starter #7
Thx, the surface area of the carbon edges look too skinny to attach with tape.

I’m looking to get a bodyshop do the install, so if by chance you have a set of the install instructions you could copy for me that would be very helpful.

From the parts fiche it looks like removal of the light sections is required, then drill a 11/4” hole to gain access to the underside of the trunk to attach the nuts to the spoiler.
 

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I bought the oem spoiler back in 2015 and had it installed by having the bolts shaved off and installed with the adhesive they use for windshields I believe and very little 3m tape. Turned out good without any issues.
 

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I have recently taken the OEM Carbon Wing off of my MC, so that I can resurface/respray the clear-coat on the Carbon Wing.

I also have the factory holes in my trunk to take the wing/spoiler with bolts, and can upload the dimensions of where my bolt holes are on my trunk tonight, if you are interested in the bolt hole/pattern for my trunk.

However, your bolt pattern on the actual wing you have may be different than my wing or trunk, and my dimensions could screw things up for you. I would advise the following for you at this stage:

1) Cut-off the bolts flush from the wing. You can do this with a dremel tool + metal cutting bit, grinder with metal disc, etc., then install the spoiler with 3M Automotive tape all around the bottom of the spoiler (where it will attach to trunk).

2) Have one person hold the wing perfectly above trunk, while another person lightly marks (marker) where the bolts go on trunk.

The spoiler itself doesn't take enough force, even at high speed, to fly-off if it were attached with 3M Automotive Tape. I have attached many spoilers (lips or non-raised) to many sports cars/exotics with 3M Automotive Tape without a problem. Then you would want to ensure that the spoiler adheres with either clamps or pressure, and slight heat to bond the spoiler to the tape. I would recommend this route before the bolts, but if you would like the added assurance of the bolts holding the spoiler, then you will need to mark where each bolt fits, drill small holes first to see if it lines up correctly, then larger or perfectly bored holes for the bolts to go through. Even if one or two bolts are off by a few millimeters, you can drill the hole up/down slightly and tighten on the backside of the trunk, and no one will see the bolt holes.
 

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Discussion Starter #10
Thanks, that is greatly appreciated. I had tried a stick on spoiler in the past but the Texas heat got the better of it and it started to become unstuck, even when using 3M’s finest/strongest tape.

The spoiler I have has 5 threaded posts. The center nut looks to be under the trunk release and the outer 2 above the light clusters. In looking at the parts fiche, it looks like removal of the light clusters and drilling 1” holes to access the nuts is required, so if yours is like that, a pic would be welcome. Cheers
 

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Hi Kevster,

I was able to take a few pictures of the trunk bolt pattern on my 12' MC, and have the following pictures to help with your alignment or drilling needs, if you plan to bolt the spoiler on.

I also took some pictures of the bolt access areas, to show on the backside where the bolt holes are accessible, as you will need to tighten the nuts to the bolts from these locations, as noted in the pictures.

Finally, I measured from edge of trunk lid (the actual trunk that opens, and not the body of the rear of the car) inwards, and have the bolt pattern as follows, from edge of trunk (either side): 4" from edge, then 11.5" from edge, and center bolt is 24". This may be different from your spoiler, but I thought I would share this, in case it is the same as how it is mounted on the back of your spoiler/lip.

Hope this helps some.
 

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