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- USA
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Skunk2 Alpha Series 06-11 Honda Civic SI Radiator (Dual Core)Skunk2's all aluminum, full size Alpha Series Radiator for the '06 '11 Civic Si is a direct fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from lightweight and durable aluminum, feature 100 percent brazed cores, and include polished end tanks with Skunk2's signature Alpha logo embossed along each side. Each Alpha Series Radiator features a dual core design, high
Skunk2's all-aluminum, full-size Alpha Series Radiator for the '06-'11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from lightweight and durable aluminum, feature 100-percent brazed cores, and include polished end tanks with Skunk2's signature Alpha logo embossed along each side. Each Alpha Series Radiator features a dual-core design, high-efficiency fins for maximum cooling capabilities. Each Alpha Series Radiator also includes provisions for the OEM cooling fan and OEM-compatible, 1.25- in. inlets and outlets. Skunk2's commitment to producing high-quality components means that each Alpha Series Radiator meets or exceeds original equipment manufacturer standards, that each radiator may be installed without modification to the vehicle, and is compatible with OEM hoses, cooling fans, and shrouds. (Note: Some engine swap applications may require custom radiator hoses and/or cooling fans.) Skunk2's Alpha Series Radiators are the perfect addition to any high-performance vehicle and are designed for the street, the track, or even OEM replacement purposes. Alpha Series Radiators are built to withstand harsh elements as well as against years of under-hood heat cycling. Each Alpha Series Radiator adheres to strict quality control standards and careful packaging, resulting in tubes and fins capable of optimal flow and efficient heat transfer.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2011 | Honda | Civic | Si |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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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4.8 ★★★★★
Based on 2244 reviews
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Product Reviews
★★★★★ 5
Bright light
Size: 9004/HB1, Size: 9004/HB1
Keeping track of longevity. Had these bulbs for a month and will try and update if they fail. Unfortunately a while ago I hit a cow, seemed to just pop up out of nowhere, the truck was rebuilt and I wanted more/better road lighting. I am using these in a Mack truck for work so they are getting used. I run at least 10 hours a day, 5+ days a week and have at least 11k miles on them since installed. Install is just like a standard bulb no special steps needed. Produce a lot of light and good patterns on high and low beam. So far I really have only had one issue with the bulbs and that is the daylight running light/DRL operation, they don't work I believe the Mack drops the voltage to slightly dim the lights when running in DRL operation and this causes the bulbs to just intermittently flash so I just run with them on all the time. This I don't believe is the bulbs fault and is more an analog vs digital issue. Therefore I'm testing the longevity of the bulbs if my truck is running they are on. Will see how they do as the days get hotter as they are in a small sealed space.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Wow bright!
Size: H11+9005, Size: H11+9005
I have used Fahren LED headlights in two of my other vehicles so I had a baseline of what to expect, but these upgraded ones are even brighter than the ones in my other two cars. I love this brand because they are plug and Play so I have not experienced any compatibility issues. These feel high quality as I have expected due to past experience with this brand. I much prefer the bright white color of LED versus the yellowish Amber of halogens. I have been using this brand for several years now so I expect a good lifespan from this as I have experienced from other bulbs from this manufacturer. As far as value goes, the increase in visibility installing these is worth every penny and then some.
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Reviewed in the United States on December 19, 2025
★★★★★ 4
Good light, but blinding
Size: H7
The light itself is good and bright and fits well, but I don't know if I installed it wrong, but the driver's side is very blinding, and I feel bad for other drivers and can't do anything about it.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Best product for truck
Size: H11+9005-100,000LM
Works great and very bright
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Easy to install, extremely crisp and bright
Size: H7
My H7 Termitor Headlights are wonderful for my 2014 VW Jetta SE 1.8l turbo. Extremely bright and super easy to install since they have the exact fitting as the factory bulbs. Only thing I would have done differently is to use the adapter to maintain steady light. Whenever I'm in gear or roll the windows up or down I can see the lights dim and after I drive for a while they aren't as bright as when I first started the car. Otherwise they are great, very bright, no warm up time, and clean crisp light. They're even brighter than my factory brights (which I still have installed with the factory bulbs, can't even tell they're on with these!)
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Reviewed in the United States on January 19, 2026