This Circuit Werks 2006-2011 Civic SI model header is a race header designed with great power and price. The stainless 4-2-1 design makes for good low mid and high end power. The 4-2-1 optimizes scavenging with equal length stepped tube primaries ending at a 2.5 Inch collector. This header also includes test pipe, gaskets & all necessary assembly hardware.
“2003-2007 Ford F250, F350, F450, F550 6.0L Powerstroke Intercooler Pipe Intake Elbow Kit” has been added to your cart. View cart
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2014-2019 Toyota Corolla Single Exit Exhaust $399.99 Original price was: $399.99.$347.99Current price is: $347.99.
2006-2011 Civic SI model only (FG & FA) Tri-Y 4-2-1 Header
$374.99 Original price was: $374.99.$299.99Current price is: $299.99.
SKU: PG3-163 BRUSH Category: Accessories
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