Close
Currently shopping for:
Select Your Vehicle
Add vehicle
Delete all
Are you sure you want to remove all saved vehicles from your Garage?
Cancel
Delete all
Select your vehicle and add it to your garage. Then easily find parts & accessories.
Select your vehicle and add it to your garage. Then easily find parts & accessories.
Select your vehicle
Year
Year
Make
- Make -
Model
- Model -
Submodel
- Submodel -
Add to My Garage
Add
Search items...
Search
Current search for
Products
Show all results
Login
Browse by Vehicle
Contact Us
News
FAQs
SEMAShow.com
Our Custom Shops
Racing & Performance
Trucks, SUV & Off Road
Hot Rod Alley
Wheels & Accessories
Restyling & Car Care Accessories
Tools & Equipment
Restoration Marketplace
Collision Repair & Refinish
Mobile Electronics & Technology
Powersports & Utility Vehicles
Global Tire Expo
Browse by Category
Air Intakes
Brakes and Rotors
Engine
Exhausts
Fuel Delivery
Grille Guards
Hitches
Running Boards and Steps
Suspension
Turbochargers and Superchargers
Featured Brands
Turbosmart
Roll N Lock
Precision Fit Seat Covers
Borla
Steer Smarts
Hamburger's Performance
J&L Oil Separator Co
Road Ready Wheels
CTEK Power Inc
Spectre
See All Brands
Search items...
Search
Log in
Current search for
Products
Show all results
Back
Back
My account
Browse by Vehicle
Contact Us
News
FAQs
SEMAShow.com
Our Custom Shops (open submenu)
Our Custom Shops
Browse by Category (open submenu)
Browse by Category
Featured Brands (open submenu)
Featured Brands
Back
Our Custom Shops
Racing & Performance
Trucks, SUV & Off Road
Hot Rod Alley
Wheels & Accessories
Restyling & Car Care Accessories
Tools & Equipment
Restoration Marketplace
Collision Repair & Refinish
Mobile Electronics & Technology
Powersports & Utility Vehicles
Global Tire Expo
Back
Browse by Category
Air Intakes
Brakes and Rotors
Engine
Exhausts
Fuel Delivery
Grille Guards
Hitches
Running Boards and Steps
Suspension
Turbochargers and Superchargers
Back
Featured Brands
Turbosmart
Roll N Lock
Precision Fit Seat Covers
Borla
Steer Smarts
Hamburger's Performance
J&L Oil Separator Co
Road Ready Wheels
CTEK Power Inc
Spectre
See All Brands
Category
Brand
Search items...
Price
Reset all filters
Hot Rod Alley
Exhausts
Headers
Exhaust Header Components
Exhaust Header Reducer
HEDMAN HEDDERS 2-1/2 IN. 3-BOLT FLANGE O2 HEADER REDUCERS FOR 2 IN. EXHAUST SYSTEM; 3-BOLT TRIANGULAR FLANGE
Part Number:
21106
2-1/2 in. Gasket-Style Header Reducer w/O2 Bung For 2 in. Exhaust
Classic 3 Bolt Gasket-Style Collector Design
Weld To Your Exhaust System, Then Bolt Up Your Headers.
Mild Steel Construction
Made In The USA!
Sold In Pairs
Retail price
$65.29
Add to Build List
Buy From a Seller
Request Data
Features
Fitment
Installation
More Detail
Videos
Features
SKU
21106
Brand
Hedman Hedders
Collector Diameter
2.5 in.
Collector Style
3-Bolt Gasket Style Flange
Finish
Raw
Flange Finish
Raw
Flange Thickness
0.3125 in.
Material
Mild Steel
NPT Thread Size
18.0 mm
Package Contents
(1x) Mild-Steel, 3-Bolt O2 Sensor Reducer; Gasket, Bolts, Nuts, Washers
Pipe Diameter
2.0 in.
Reducer Outlet Diameter
2.0 in.
Fitment
Installation
More Detail
PROP65-SHORTFORMWARNINGLABEL-CA.jpg
HPGroup-Linecard1117.pdf
Videos
Buy From a Seller
Zip code
Distance
20 miles
50 miles
100 miles
Locate
local retailers
online retailers
Footer navigation
Cancel