K Series K24 K20 RSX EP3 Header w/ Bolt-On Catalytic Converter

*All headers and large exhaust items may be subject to additional shipping charges*

This is the BEST header to get on the market today for your Acura RSX!

Updated to now include a bolt-on high flow metallic catalytic converter.

Vehicle Fitment:

• Acura RSX DC5 2002-2006

• Honda Civic Si EP3 Hatchback 2001-2005

Features:

• Includes bolt-on high flow catalytic converter to fit RSX

• High flow, 200-cell, metallic core, catalytic converter

• Includes gasket and all necessary hardware

• Short tube Tri-Y header

• True 2.5" collector

• CNC machined manifold flange

• Flange is .38" thick

• 18 gauge, 304 stainless steel

• Measured at .049" to .050"

• Multi-piece race design

• This exhaust manifold is never to be used to defeat any emissions device

Installation note: 

• For EP3 Civic- RSX Type S or Type R exhaust is needed for catalytic converter to bolt up