K-Tuned Race Header 409 Series Stainless Steel - DC5/EP3
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The header features stepped piping beginning with 44mm primaries that progressively move into 48mm, then 50mm secondaries and finally a 64mm or 2.5" exit. Our 409 Series RSX Race Header is assembled with mandrel bent, 409 series steel tubing and is fully tig welded. We also use a slightly thicker gauge tubing that allows for better weld penetration and additional strength. The CNC cut 3/8" thick flanges are also double welded and then ported for optimum flow at entry and exit. This header directly replaces the OEM 2 piece design and eliminates the catalytic converter so we included a short 2.5" test-pipe with defouler for the secondary O2 sensor. Be sure to check out our 3" Oval Tube Exhaust System for the RSX if you haven't seen it already.
- Fits RSX with K20 engine ONLY
- 4-2-1 Tri-Y Design
- 409 Series Steel
- CNC cut 3/8" thick SS Flanges
- 2.5" Outlet
Applications:
- 02-06 RSX DC2 Type-S
- 02-06 RSX Base / Premium models with Type S Exhaust.
- 01-05 Civic EP3 with Type S Exhaust
- Donut gasket can be replaced by OEM Honda part (18229-PCX-003), you will have to reuse the metal ring.