Not Available for Purchase in California
Skunk2’s Alpha Series Header utilizes our race-proven designs in a more affordable and accessible to everyday enthusiasts. As a result, the 2012+ Civic SI / 2013+ Acura ILX header was the perfect candidate to add to this line. The large 4-inch bellmouth design with a 3-inch outlet is manufactured from high quality cast stainless steel for superior heat resistance and strength. This design enables maximum extraction of air flow and increased power. Heavy duty 1/2” thick flanges ensure secure and leak free attachments. Air flows smoothly through mandrel bent T-304 stainless steel and a high-quality stainless steel braided flex section. The one-piece design eliminates the need for the catalytic converter maximizing air flow and allowing for maximum power. Uses factory mounting locations for the OEM O2 sensors. No modifications are needed as it is a direct bolt-on unit to the OEM exhaust cat-back location.
- 2012 - 2015 Honda Civic (2.4L Si)
- 2013 - 2017 Acura ILX (2.4L Base)
Products
- Engine
-
Induction
- Intake Manifolds
- Pro Series Intake Manifolds
- Ultra Race Intake Manifolds
- Ultra Street Intake Manifolds
- Plenum Spacers
- Fuel Rails / Fuel Hardware
- Composite Fuel Rails
- Ultra Race Fuel Rails
- Ultra Street Fuel Rails
- Throttle Bodies
- Sensors
- Adapters
- Intake Systems
- Thermal Gaskets
- Thermal Intake Manifold Gaskets
- Thermal Throttle Body Gaskets
- Intercoolers
- Exhaust
- Cooling
- Suspension
- Service Items
- Accessories
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Apparel
- Headwear
- Sweatshirts
- T-Shirts
- Camo T-Shirt
- Haters Gon' Hate T-Shirt
- B-Power T-Shirt
- K-Power T-Shirt
- S2 Racetrack T-Shirt
- Go Faster T-Shirt
- Mofeta Dos T-Shirt
- Gear Headz T-Shirt
- Black Series Gear Headz T-Shirt
- Archetype T-Shirt
- Skunk2 Puerto Rico Edition - T-Shirt
- 20th Anniversary T-Shirt
- Skunk2 Philippines Edition - T-Shirt
- 25th Anniversary T-Shirts
Recent updates
NEW: World's First Magnesium K
Posted: 09/21/2021Wes Spry Shares Some Roller Ro
Posted: 09/15/2021Tegiwa Skunk2 Camshaft Showdow
Posted: 09/09/2021Builders Guide: Subaru BRZ / T
Posted: 05/19/2021PRO Car Studio Talks Control A
Posted: 04/22/2021Builders Guide: Mazda Miata
Posted: 04/07/2021Skunk2 Has The Goods: 10,000rp
Posted: 02/26/2021Camshaft Showdown! Tegiwa K Se
Posted: 02/25/2021Skunk2 x Hoonigan: Behind the
Posted: 02/24/2021HIN - Scottsdale, Arizona 2019
Posted: 06/18/2019Hey! If you weren't able to attend this past HIN event, come and check...