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RPI or ACS Composite

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Old Jan 17, 2022 | 04:50 PM
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Default RPI or ACS Composite

I’m looking to upgrade a C7 Z06 from a stage 1 rear spoiler and no splitter to stage 3 on both the front & back — is RPI or ACScomposite.com preferred for fit & quality?
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Old Jan 17, 2022 | 08:07 PM
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I suspect an "Advanced" search across the C7 Forums will find others opinions of both companies, if not the specific item(s) you're interested in. Either/both should be helpful, I'd think. All the best.
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Old Jan 17, 2022 | 08:11 PM
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I have dealt with ACS on a number of items. No issues.


The other company, not even if free.
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Old Jan 17, 2022 | 09:06 PM
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I have all ACS, including front splitter with stage 3 deflectors, everything fits extremely well.
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Old Jan 17, 2022 | 09:08 PM
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Be sure to check out the threads in the Transactions Feedback section for both of these vendors.
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Old Jan 18, 2022 | 06:30 AM
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ACS seemed to be #1 in terms of quality but did seem to come with a price for that so went with lower cost option.
For me I went with EOS on my stage 2 splitter and spoiler winglets and was happy with the results for the price paid.
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Old Jan 18, 2022 | 07:14 AM
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ACS for sure! would never buy anything from RPI again
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Old Jan 18, 2022 | 07:46 AM
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ACS without a doubt, great customer service, great quality sometimes better than OEM in many cases. Some of the best stuff around. If you can catch them at a show, they even have discounts and they install right there for you. There best sales are around the holidays, so keep an eye out.. Good luck
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Old Jan 18, 2022 | 08:01 AM
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ACS is top notch. You won’t find a better supplier of parts. They are OEM quality. Only downside is you will pay dearly for their parts.

I have ACS parts in my car, but for the parts that will have to be replaced due to normal driving and wear (front splitters) I went with EOS. Much cheaper and to be honest looks great on the car.


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Old Jan 18, 2022 | 08:49 AM
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+1 for ACS Composite. I have bought several parts from them and a few from RPI. ACS does flawless paint work. I cannot say about RPI.
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Old Jan 18, 2022 | 09:25 AM
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Originally Posted by *89x2*
I have dealt with ACS on a number of items. No issues.


The other company, not even if free.
This^^^ especially the RPI part. Don't rule out EOS either.
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Old Jan 18, 2022 | 10:12 AM
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Im going to suggest an additional vendor. I've used both ACS and RPI and both do a nice job. But with both vendors, I've experienced slight (very minor) fitment / quality issues. However, Ive used Performance Corvette (https://performancecorvettes.com/) twice for 2 front splitters (which many have posted their nightmare experiences with fitment or the necessity to drill holes). The fitment from Performance Corvette have been literally flawless. Holes line up perfectly for both Corvettes.



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Old Jan 18, 2022 | 11:50 AM
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Originally Posted by charliebrown266
ACS for sure! would never buy anything from RPI again
And don't they go by multiple business names as well? I can think of 3 off the top of my head and I think all 3 advertise on here and other forums. Something happened over there because they used to be good money.
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Old Jan 18, 2022 | 02:58 PM
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Originally Posted by ZO6LIFE
And don't they go by multiple business names as well? I can think of 3 off the top of my head and I think all 3 advertise on here and other forums. Something happened over there because they used to be good money.
Yes they do i have bought a few things from them and nothing but problems! They don't return emails, good luck on trying to call them fitment problems and stupid wait times
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Old Jan 18, 2022 | 03:30 PM
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Well RPI painted the spats.Yup,I waited..Ha what else is new? Happy with them .
ACS is pricey.Especially when you add a tray.For a expendable part.The front splitter takes some paying attention.And that one time your not..RUT ROH!
So JW Motorsports. A supporting vendor. On the cheap.
It's got the same Look as a GM home equity loan price.
Looks good to me

Stage 3 on the front makes the wide body look even FATTER.


Last edited by DALE#3; Jan 18, 2022 at 03:38 PM.
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Old Jan 18, 2022 | 04:35 PM
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RPI equals MEXICO
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Old Jan 18, 2022 | 04:38 PM
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@Pineapple provides a good summary of brands in this post. (Spoiler alert: ACS is the best, but also the most expensive.)
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Old Jan 18, 2022 | 07:21 PM
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Can't speak for RPI but I purchased several Parts from ACS and have zero complaints. Fit and Finish was spot on.
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Old Jan 18, 2022 | 07:41 PM
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Originally Posted by Avanti
I suspect an "Advanced" search across the C7 Forums will find others opinions of both companies, if not the specific item(s) you're interested in. Either/both should be helpful, I'd think. All the best.
Thanks, very helpful bud 🤮

Last edited by ALL ST@R; Jan 18, 2022 at 07:59 PM.
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Old Jan 18, 2022 | 07:46 PM
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Originally Posted by NortonCO
@Pineapple provides a good summary of brands in this post. (Spoiler alert: ACS is the best, but also the most expensive.)
Yep, got it — thanks man
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