BMW is one of the most popular brands known for manufacturing high-quality vehicles with great features. However, our client wanted to get a cat-back exhaust system for his BMW M3 V8 E90/92 for optimum airflowSo, this car came to DKU Performance for some quality upgrade. Our engineers at DKU Performance custom designed and built our very own cat-back exhaust system for this vehicle. All the work was performed in the house of DKU and the results were amazing. Our premium cat-back exhaust system for this BMW M3 gave this vehicle a loud yet subtle sound with increased stock power. As always, we made our client satisfied with this upgrade and we are looking forward to doing more. at DKU Performance, our highly skilled and professional engineers specialised in providing our customers with the best service possible.