for twin and triple SU carburettors - mild steel. Please note: on BN4 to BJ7 cars the LH front outrigger needs some modification
Austin Healey BN4 to BJ8 (1956-68)
These exhaust systems are manufactured to the highest tolerances and specification. They are made of top quality mild steel. We have done this to eliminate the resonance caused when using stainless steel.