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Exhaust› Headers, Manifolds and Components

Skunk2 Racing

Alpha Series Exhaust Header Set

$772.67 $511.11 Save $261.56

SKU: SK2-412-05-1930

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Skunk2 Racing Alpha Series exhaust header set is designed for the 2006-2011 Honda Civic Si.
Show original supplier description
The Skunk2 Racing Alpha Series exhaust header set is specifically engineered for the 2006-2011 Honda Civic Si models. It is designed to complement the Genuine Skunk2 MegaPower R Exhaust System and includes an adapter flange and donut gasket for installation. Please be aware that Skunk2 is currently experiencing extended lead times, with a minimum of 30-90 days for fulfillment. You may place orders for backordered items, and they will be allocated from future reserved stock.
Vehicle Symptoms
  • Loss of power during acceleration
  • Check engine light is on
  • Exhaust system is louder than normal
  • Decreased fuel economy
  • Engine hesitates or stumbles at high RPM
Diagnostic Codes
  • P0420 – Cat Sys Efficiency Below Threshold (B1)
  • P0130 – O2 Sensor Circuit Malfunction (B1 S1)
  • P0133 – O2 Sensor Slow Response (B1 S1)
Relevant Conversations
  • 2006 Civic Si header upgrade Skunk2 Alpha
  • Skunk2 Alpha Series exhaust header set Civic Si 2006
  • Civic Si header install time hour
  • P0420 on 2006 Civic Si fix with header
  • Skunk2 header vs DC Sports Civic Si
  • Civic Si lose power at high RPM header needed
  • Will Skunk2 Alpha header fit 2008 Civic Si
  • Best exhaust header for 8th gen Civic Si
  • Skunk2 header backordered 30 days
  • Civic Si header check engine light after install

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSkunk2 Racing
Part NumberSK2-412-05-1930
CategoryExhaust
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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