BMW X5 Custom built Cat-back exhaust

Custom Built Performance System Original BMW X5 exhaust is built in such a way that it causes excessive back pressure which does not allow the engine gasses to vacate quickly causing loss of performance and excessive fuel consumption. Most original exhaust systems are made of mild steel, which can deteriorate over time and when the time comes to replace it, …

BMW 840 Custom build performance exhaust

Custom Built Performance System Original BMW 840 Custom build performance exhaust is built in such a way that it causes excessive back pressure which does not allow the engine gasses to vacate quickly causing loss of performance and excessive fuel consumption. Most original exhaust systems are made of mild steel, which can deteriorate over time and when the time comes …