Designed in 4 into 1 stainless steel manifold, delivers better exhaust flow and maximum BHP over the greatest possible rev range.
Great higher rev range power improvement compared with stock 4-2-1 manifold exhaust header (tested by BBR in-house).
A set come with tig welded with stainless flanges, merge collector features a pyramid for smooth transition offering the best possible flow management with reduced turbulence.
Compatible with both the standard Mazda OEM and BBR 2.5inch Centre Section Exhaust.
Addition Exhaust Centre Section and Cat-Back system are available and sold separately.