I think that looks Kick A$$ - Nice Job!
Of course I have no need for it but for a buck fifty I bet a bunch of S40er's will dig it.
Of course I have no need for it but for a buck fifty I bet a bunch of S40er's will dig it.
Custom Rear Diffuser
9
Update 3
Final design, see post #50. Maker Motorsports S40 rear diffuser fins and a "frame" made from another lower trim piece off a V50.
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Update 2
Another re-design, still a work in progress. See post #48
![]()
Update
See the re-design in post #37
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Original Post
Okay, so big summer project number 1 is complete. I know many of you have been waiting.
In total, I personally spent about $20 on two plastic cutting boards and some truck bed paint for the texture (it could have been $6 if I hadn't messed it up...). There's also about 30 hours of work into this from the concept to the templates to the first, second, and third tries. But I finally have the finished result and I'm very pleased with it!
What do you think?
Setting the lines for positioning, 8" between each line:
![]()
One piece, cut from the corner of a plastic cutting board:
![]()
Test positioning:
![]()
Three versions later, the painted/textured design:
![]()
And... On the car!:
![]()
![]()
I may do one more layer of paint or plastidip to further cover up the minor gap between the diffusers and the trim piece. Though, it's hardly noticeable in person. The picture just brings out the worst.
Final design, see post #50. Maker Motorsports S40 rear diffuser fins and a "frame" made from another lower trim piece off a V50.
Update 2
Another re-design, still a work in progress. See post #48
Update
See the re-design in post #37
Original Post
Okay, so big summer project number 1 is complete. I know many of you have been waiting.
In total, I personally spent about $20 on two plastic cutting boards and some truck bed paint for the texture (it could have been $6 if I hadn't messed it up...). There's also about 30 hours of work into this from the concept to the templates to the first, second, and third tries. But I finally have the finished result and I'm very pleased with it!
What do you think?
Setting the lines for positioning, 8" between each line:
One piece, cut from the corner of a plastic cutting board:
Test positioning:
Three versions later, the painted/textured design:
And... On the car!:
I may do one more layer of paint or plastidip to further cover up the minor gap between the diffusers and the trim piece. Though, it's hardly noticeable in person. The picture just brings out the worst.
1 - 20 of 55 Posts
Looks sweet, simple mod that transforms the rear end quite a bit. Nicely done to you.
great work 
I love the simplicity of the mod!
stock looks, yet different.
you have any more pics when mounted? the last one is kinda dark...
I love the simplicity of the mod! stock looks, yet different.
you have any more pics when mounted? the last one is kinda dark...
Yeah, I was eager to finally post pictures, but it was raining all day yesterday. I'll get a few more shots today.
And just so you know, your diffuser mod is what inspired me to get started on this. That was years ago though, I just finally got around to it
Thanks for the compliments everyone!
I've already taken this into account. If I do make a mold for this, and it's popular for the S40s, then I will probably pick up V50, C70, C30, and face lift model rear trim pieces and design something similar.
Right now, it's more of a personal project that I wanted to make; just seeing if anyone else would want one before I invest money into making a product. No promises yet, but we'll see
Looking good!
1 - 20 of 55 Posts
