


Vibrant Aluminum Joiner Coupling (3.5in Tube O.D. x 3in Overall Length)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Vibrant Aluminum Joiner Coupling (3.5in Tube O.D. x 3in Overall Length)Vibrant Performance Aluminum Joiners are manufactured from 6063 Aluminum and require minimal surface preparation for tig welding. Vibrant Performance Aluminum Joiners are useful for creating affordable custom silicone coupling combinations and are commonly used for customer intercooler end tank fabrication or welding hose inlets outlets to aluminum radiators. They are bead rolled and available in outlet diameters ranging from 1 in. to 4 in..
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Your Vibrant Aluminum Joiner Coupling (3.5in Tube O.D. x 3in Overall Length) orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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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4.4 ★★★★★
Based on 484 reviews
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Product Reviews
★★★★★ 5
Easy install
Color: Single Slat Gloss Black, Size: 2023+G20
Fits well. Made of plastic but very easy install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
★★★★★ 1
I should have read all the other reviews ...
Color: Single Slat Gloss Black, Size: 2010-2013 E92, Color: Single Slat Gloss Black, Size: 2010-2013 E92
I read all the bad reviews, but I gave it a shot anyways
Tabs wont clip in place and fitment is slightly off.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
Worth it
Color: Single Slat Gloss Black, Size: 2006-2009 E92
For perfect and looks great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026
★★★★★ 5
Very nice quality
Color: Single Slat Gloss Black, Size: 2019-2022 G20
I have a 2022 330i bmw and it fit perfectly! Looks just like photos online and delivered quick!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2025
★★★★★ 4
Good Item
Color: Single Slat Gloss Black, Size: 2002-2005 E46
Good cost to product ratio, but fitment is a little loose
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
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