


Stainless Works Collector Adapter 3-Bolt 2-1/2in OD Tubing 2-1/2in OD Outlet + O2 Bung
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Stainless Works Collector Adapter 3-Bolt 2-1/2in OD Tubing 2-1/2in OD Outlet + O2 BungMade from 304 stainless steel for maximum corrosion resistance. The nicest collector adapters available! These are TIG welded for strength and durability. Come with 2 1 2" 3 bolt flange and a 2 1 2" OD outlet. An O2 bung is welded into the tubing, space approximately 2" from the inside edge of the flange. This collector adapter comes with a limited lifetime warranty and proudly made in the USA.
Quick Dispatch:
Your Stainless Works Collector Adapter 3-Bolt 2-1/2in OD Tubing 2-1/2in OD Outlet + O2 Bung 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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4.0 ★★★★★
Based on 837 reviews
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Product Reviews
★★★★★ 5
Delivers a quieter ride
Size: 36 sqft
This works very well to put down road noise. The difference was immediate in my van. I was shocked it made such a difference.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 4
Reasonably priced sound deadening
Size: 18 sqft
Easy to cut with a carpet knife. I used a heatgun to make it stickier and more moldable. The foil isn't so thick that you risk cutting yourself like some Dynamat variants.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Works for me
Size: 36 sqft
Sticky so don’t let it touch you or each other but it comes off and works fine.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Xxxxxx
Size: 36 sqft
Great
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Reviewed in the United States on June 11, 2026
★★★★★ 3
great for what im doing. maybe not as good in a vehicle though
Size: 36 sqft
decent product. not as thick as typical sound deadening but definitely cheaper. and for my application, i didnt need a name brand thicker material. i am putting it on our heat and ac vent and intake pipes during our remodel. sound travels from room to room in our old house through these vents and pipes so a little sound deadening goes a long way
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Reviewed in the United States on June 2, 2026
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