Is this manifold any good on a DC5 as in power gains etc?
https://www.ebay.co.uk/itm/Stainless-Steel-Exhaust-Manifold-Header-4-2-1-fit-Honda-Integra-DC5-Type-R-Tri-Y/273537934279?fits=Model%3AIntegra%7CPlat_Gen%3ADC5&hash=item3fb021a3c7:g:Z8QAAOSwWIJb2yT3
https://www.ebay.co.uk/itm/Stainless-Steel-Exhaust-Manifold-Header-4-2-1-fit-Honda-Integra-DC5-Type-R-Tri-Y/273537934279?fits=Model%3AIntegra%7CPlat_Gen%3ADC5&hash=item3fb021a3c7:g:Z8QAAOSwWIJb2yT3