E46 roll cage - How to reinforce subframe the right way

Hi today we are using KD Kustoms weld in roll cage with nascar door bars, great bit of kit a must for high powered e46 cars if you would like this cage contact Neil at Kd Kustoms link below. https://www.kdkustomsuk.com/ Follow me on........   / smtmotorsport     / smt_motorsport   Sponsors of SMT channel …… https://bolawheels.co.uk/ https://dynatune.co.uk/   / driftfabrication     / calumhayesfabrications     / designed.elgin     / jdautobody1