M2 PERFORMANCE 4-1 HEADER: CIVIC SI 99 00 (B16 DOHC VTEC)
Constructed of T-304 Stainless Steel, Mandrel-Bent tubing and Laser-Cut Flanges; Each set is tested and dynoed to make ensure the fitment and performance meet our Standards.
Application:
1988-2000
Civic Si (B16A) -
It will fit swapped B16 Civics. But may require mods in 88-91 years.
- Constructed of T-304 Stainless Steel for Durability
- Polished finish offers a show-car quality look.
- Equal Length 4-1 Primaries for High-End Power to enhance VTEC.
- Larger 2.25" Colllector for better flow and retain OEM fitment.