AWE SwitchPath Cat-Back Exhaust 4.5in Black Quad Tips For 21-25 BMW M3/M4 3.0L early 5.9l cummins injectors 2003-04 set clear sight window is used

clear sight window is used for a hassle-free for an aggressive style

8% larger core volume than factory

factory 17"/18" wheels cannot be reused

Available in our 4” Muffler body

AWE SwitchPath Cat-Back Exhaust 4.5in Black Quad Tips For 21-25 BMW M3/M4 3.0L early 5.9l cummins injectors 2003-04 set clear sight window is usedPresenting the first AWE SwitchPath configuration for BMW to incorporate patented drone canceling 180 Technology. No drone, minimal bends, maximum flow, and push button attitude. The SwitchPath Exhaust is comprised of 3 inch U. S. sourced T304L stainless steel, a precision x pipe, and a valved SwitchPath muffler tuned specifically for the S58. Beginning after factory mid pipe, the precision X pipe immediately helps smooth the S58 of its rasp,