
Fitment Information
- 2006 - 2015 Honda Civic (Si)
Specs & Features
- For '06-'15 Civic Si - For use with an aftermarket race header in which it is necessary to extend the Primary Oxygen sensor
Product Description
The Skunk2 O2 sensor wire harness extension is designed for the '06-'15 Civic Si. These extensions are great for installing an aftermarket header where the OEM O2 sensor wires are not long enough to reach the new bung location. Designed for the Skunk2 header and exhaust.

More in this category
Honda Civic HeadersHonda Civic Si Parts
Skunk2 Racing Headers
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Ordering from Redline360
Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.Order updates, tracking and info
Our goal is your complete satisfaction. Upon ordering, you will receive an email confirmation of your order along with your invoice. You will be able to log into our website 24/7 to check on your order at any time. Your order is processed Monday through Friday from 8am to 6pm PST as soon as it is placed. Once your order ships, we will email you a tracking number so you can track your package.
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We ship from 6 locations around the United States so you receive your part as quick as possible. Not every warehouse stocks all the same parts, so the closest warehouse to you that has the part in stock is where your order will ship from. We ship from California, Nevada, Michigan, Florida, Texas and Pennsylvania.
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Actual item may vary from picture
Unless otherwise noted, we can not ship most downpipes, headers, test pipes or intakes to California. We will notify you if we have to cancel the order if the item you purchased is not CARB legal. For all other states not following CARB smog laws, items are considered for off road use only (race tracks) and can not be used on public roads.
Some products may not be legal in certain areas. Always check your local laws to determine legal restrictions. We are not responsible if you buy a product that is not legal in your area.