PH 4496 - Falcon BA-BF, FG & Fairlane 4.0L Competition. Twin Cam. Manual & Automatic. TRI-Y Design. Part #: PH 4496 P/Steering: Yes Gasket: DSF 157 Air Con: Yes Primary Pipe: 41mm Oxy Sen: Yes Secondary Pipe: 44mm E.G.R: N/A Outlet: 76mm Y Branch: N/A Fitting Time: - Note: Will not fit with Factory LPG refer to PH4490 Important Information Image might not reflect actual exhaust system. Shipping times can vary due to size, destination and availability. Please note some modification is required. Warranty Period - 24 Months Why Pacemaker Headers? For over a quarter of a century, PACEMAKER has been innovating, designing and manufacturing quality exhaust headers in Australia. Pacemaker was the first company to introduce mandrel-bending technology into the exhaust header market, forever changing the header industry landscape.