Need some punch out of your 135? 👀 Prepare to give your 1 series the boost it deserves. Our cat-back exhaust was made to redefine the driving experience of your 135. Manufactured from premium brushed stainless steel, it is not just about reducing weight; it’s about enhancing performance with unrestricted airflow. And the way it sounds? Well, let us tell you that it’s a symphony of power and precision, carefully crafted for an unforgettable soundtrack. The sound experience is more than you could ask for. With the freedom of exhaust flow and tuned exhaust note, we are very excited to get these exhausts on 135s everywhere. Grab one by searching for ES4785781 on our site. #ecs #ecstuning #thisisecs #bmw #bmw135 #n54 #n55 #1series #1seriesclub