This is not your ordinary X piece, as you can see from the images. Ideal for dividing exhaust fumes on V6, V8 or V12, as well as an essential in replacing twin pipe middle silencers on your vehicle. These are four mandrel bends cut and tig welded together therefore the inlet / outlets are perfectly round and the flow is true. Also known as a crossover pipe, each system works by balancing the exhaust pulses from either side—or cylinder bank of a V-style engine. The result is a smooth exhaust flow and a more efficient engine I can make you cutom X pipes if you require please message me or call me with your requirements Please note that since January 4th, any purchases made from customers outside United Kingdom are like to get charged and import tax / duty by your Customs. Please check the t.