RB25 | RB26 Exhaust Manifold Manifold | Wastegate:V-Band | Top Mount Equal Length | 45mm WG ensuring adequate clearance is maintained

ensuring adequate clearance is maintained for all OEM engine bay components

with an enjoyable exhaust note that is Careful design consideration was given for the the most gradual and laminar reduction in diameter possible

6 A/R housing volute

Screamer pipe (with optional Wastegate recirculation)

RB25 | RB26 Exhaust Manifold Manifold | Wastegate:V-Band | Top Mount Equal Length | 45mm WG ensuring adequate clearance is maintainedAll of our in house exhaust manifolds are CAD designed, entirely stainless steel (including ALL flanges), back purged, and TIG welded by hand in our facility in BC, Canada. Careful consideration for runner length, collector design, orientation, wastegate placement, and turbine flow characteristics ensure optimal performance. All of our Spectrum Motorsports RB exhaust manifolds are equal length, delivering an enjoyable exhaust sound and even exhaust