3in Oxygen Sensor Reducer - 21107
Regular price $30.99 $35.99
Collector Reducer - 3 in Inlet to 2.25 in OD Outlet - 3-Bolt Flange - O2 Sensor Bung / Gasket - Steel - Natural - Each
- Free shipping on orders over $199*
- Same day shipping on in-stock orders placed before 8pm Central*
- 30-day returns on new, uninstalled parts in original packaging
See our Shipping Policy and Return & Refund Policy for full details.
Questions about shipping, fitment or returns? Call 713-938-4033 or email travis@outfrontperformance.com.
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- Brand: Hedman Hedders
- Category: Header Reducers
- UPC: 732611211079
- Availability: In stock – ships same day when ordered before 8pm
- Shipping: Free shipping on qualifying orders over $199
- Need help choosing? Talk to a racer: 713-938-4033
The Hedman Hedders 3in Oxygen Sensor Reducer (part # 21107) is made by Hedman Hedders and sits in our Header Reducers category.
Key specs
- Brand: Hedman Hedders
- Part number: 21107
- Category: Header Reducers
- Collector Reducer
- 3 in Inlet to 2.25 in OD Outlet
- 3-Bolt Flange
- O2 Sensor Bung / Gasket
- Steel
- Natural
- Each
Features & details
Frequently asked questions
Is it in stock, and how fast does it ship?
Yes – in-stock orders placed before 8pm ship the same day from Out Front Performance in Texas, and qualifying orders over $199 ship free.
Not sure it fits your car?
Call 713-938-4033 and talk to a racer. We will confirm fitment and help you pick the right parts.
Why buy from Out Front Performance
We are racers, not a warehouse. Get same-day shipping on in-stock orders before 8pm, free shipping on qualifying orders over $199, and real tech help from people who run this stuff at the track: 713-938-4033.
Shipping
- Free shipping on orders of $199 or more (product subtotal after discounts). Orders under $199 pay the rate shown at checkout.
- Same-day shipping: in-stock orders placed before 8pm Central, Monday to Friday, usually ship the same business day. Special-order parts usually ship in 3 to 10 business days.
- Oversize items that need freight, and shipments to Alaska, Hawaii, U.S. territories and military addresses, may cost extra. We will contact you before it ships.
Read the full shipping policy ›
Returns
- 30-day returns on new, uninstalled parts in the original packaging. Contact us first for a Return Authorization (RA) number.
- If we made a mistake (wrong part, damaged, defective or wrong fitment listed), we pay return shipping and there is no restocking fee.
- Other returns: you pay return shipping and a 15% restocking fee applies. Installed, used or opened electrical parts can't be returned.
Read the full return & refund policy › | Questions? Call 713-938-4033



















