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UMI Performance 82-92 GM F-Body Boxed Style Weld-In Subframe Connectors

Marsoni M251S
Sale price$225.00
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Get it in 3 business days with 1 day shipping. Friday, May 29
UMI Performance 82-92 GM F-Body Boxed Style Weld-In Subframe ConnectorsMinimize chassis flex and increase performance capabilities on your 1982 1992 GM F Body with boxed style weld in subframe connectors from UMI Performance. Subframe connectors are a must chassis upgrade when racing and hard driving habits are present. They greatly improve your car's handling ability while reducing t top squeaks, dash rattles and quarter panel flexing. Subframe connectors essentially tie the front and rear steel subframes together,
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 72 reviews
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Verified Purchase
Jeff Pesos
Grantham, US
★★★★★ 4
Works like a supplement
If you use it and see a difference, you will blame it on this cleaner, if not, you will say the product does not work. Exactly like your weight loss supplements! Who knows what this stuff does, but it may do something. Or maybe it does not.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
M
Verified Purchase
Michael Sliwinski
Boise, US
★★★★★ 5
Used to clean an O2 sensor
Seems to have resolved an issue with a wavering idle for my 89 Mercedes 300e with 468,000 miles.
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Reviewed in the United States on March 27, 2026
M
Verified Purchase
Marvin Burton
Lowell, US
★★★★★ 3
Nothing
Didn’t work for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
M
Verified Purchase
mechanic
Lexington, US
★★★★★ 1
It doesn’t work
This don’t work at all. I do not recommend. I use all four containers, and the light is still on.
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Reviewed in the United States on May 20, 2026
A
Verified Purchase
Amazon Customer
New York, US
★★★★★ 5
2014 Ford Edge SEL
Worked like a charm! Used as directed, it cleared the P0420 & P0430 codes that were coming up on my OBD II scanner after a complete engine swap. Definitely recommend this product.
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Reviewed in the United States on May 23, 2026

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