PLM 06-11 Civic Si Race Header w/ High Flow Catalytic Converter 8thcivic

PLM 06-11 Civic Si Race Header w/ High Flow Catalytic Converter 8th Gen Civic
The first off the shelf header with a high-flow cat, from none other than plm. One of the most affordable, long standing header manufacturers for the past 15 years on the 8th gen civic. While still always ensuring good horsepower and best bang for the buck. 
You have a K24 or K20 in your 8th Gen Civic SI? This new design now fits both the k24 and k20 setups in your 8th gen. Now with bolt-on 200 cell high flow cat! PLM Private Label Mfg. K-Series 06 – 11 Civic Si K24 & K20 header features a true step-up exhaust header design.  This version 2 (V2) is an one-piece design for 100% leak free installation.
With Bolt-On High Flow Metallic Catalytic Converter. 
Fitment:
2006 – 2011 Civic Si
FG FD FA Chassis
Direct fit with K24 engines
Direct fitment with K20 engines
8th Gen Generation Honda Civic
Key Features:
Stainless steel construction
Metallic core 200 cell high flow catalytic converter
Direct bolt-on installation
One year warranty
Short tube Tri-Y header
True 2.5″ collector
CNC machined manifold flange
3/8″ thick flanges
18 gauge stainless steel
One piece design
Includes donut gasket & hardware