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K-Tuned Header - 409 Series Steel 06-11 Civic Si

$345.00
SKU:
KT-KBH-CSI-409
Brand:
Condition:
New
Current Stock:
Out of stock
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Product Description

Applications: Direct bolt-on for all 06-11 Civic SI models. Fits both 2-door coupe and 4-door chassis.

Features: 
- Fits Civic Si with K20Z3 engine. 
- 4-2-1 Tri-Y Design - 409 Series Steel 
- CNC cut 3/8" thick flanges 
- 2.5" Outlet

The K-Tuned 8th Gen Civic SI Header was specifically designed to optimize the performance and power output of the K20Z3 engine that is found in all 2 and 4 door SI models. The header was developed using a proven 4-2-1 Tri-Y design that delivers power gains almost everywhere in the power band, not just the higher rpm range. Additional performance is accomplished by using large diameter piping to speed up the flow of exiting exhaust gases. We also use stepped piping and smooth transitions that minimize restriction. Fitment past the subframe and sway bar is perfect with extra clearance available for engine movement.

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