


Vibrant 4-1 SS Merge Collectors (1-7/8in Inlet Slipover ID 2-1/2in Merge Outlet OD) Single Unit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Vibrant 4-1 SS Merge Collectors (1-7/8in Inlet Slipover ID 2-1/2in Merge Outlet OD) Single UnitSKU: 10305 UPC: 690092131227 Vibrant 4 1 SS Merge Collectors (1 7 8in Inlet Slipover ID 2 1 2in Merge Outlet OD) Single Unit Vibrant Performance 4 1 merge collector connects four 1 7 8 inch primary tubes to a 2 1 2 inch outlet for universal custom exhaust fabrication. This stainless steel component enhances exhaust scavenging to increase horsepower in street headers and race setups. Proven design delivers better flow for performance gains at all RPM
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4.4 ★★★★★
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Product Reviews
★★★★★ 5
Excellent plugs, superb performance
Exactly as described at a decent price. I've found over my decades of doing my own tune ups, the one thing you can't skimp
on when tuning up your vehicle, plugs and its shows if you do. Out of the box, all 4 were gapped correctly. Ease of installation depends on your vehicle and ones mechanical ability with PATIENCE. 100% compatible with my vehicle, be sure to match you numbers. Overall 5 stars for performance and price.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
💯% Authentic NGK Made in Japan.
Got these for my 2016 Subaru Crosstrek. You can't go wrong with NGK, these are 💯% AUTHENTIC, and made in Japan, unlike other NGK plugs that may be sold by other sellers which could be made in Thailand. The Subaru Crosstrek is running like a brand new vehicle after I put these puppies in it.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
buy these!!
these are legit original NGK, superior plugs, will buy again
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Worked like a charm
Worked like a charm. The box and packaging were adequate from keeping the gaps of the plugs from being squished.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Perfect!!
As I expected, no more to say only I'm happy I got it.
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Reviewed in the United States on April 29, 2026