


Vibrant 4 Ply Reducer Couper 4.0in ID x 3.75in ID x 3in Long - Black
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Vibrant 4 Ply Reducer Couper 4.0in ID x 3.75in ID x 3in Long - BlackSKU: 19742 UPC: 690092179236 Vibrant Universal 4 Ply Reducer Coupler 4. 0in ID x 3. 75in ID x 3in Long Black This Vibrant Performance reducer coupler steps down precisely from 4. 0 inch inner diameter to 3. 75 inch inner diameter over 3 inches for seamless custom air intake and turbo piping fabrication. It fits universal performance applications on modified cars trucks and imports with aftermarket intake systems. Black 4 ply silicone construction
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Your Vibrant 4 Ply Reducer Couper 4.0in ID x 3.75in ID x 3in Long - Black orders ship within 1-2 business days.
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- Express: 1-2 business days
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Reviewed in the United States on May 3, 2026
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Really cute!
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can't beat the original...
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