Replaces the OEM top section (which houses an OEM
catalytic converter) with full 3" straight piping.
High-Flow Cat Downpipe
For those that feel they must run a catalytic
converter. We replace the upper OEM cat with a high
flowing 3" cat. Ceramic Core efficient to 450hp.
Metal Substrate Core for those making 450+hp.
A pre-welded O2 sensor bung with plug for a future
wideband sensor install.