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BMW F20 / F21 M135i(x) 235-240KW/320-326PS (2011-2016)
measured with: BMW M5 (F10) 2011
Whether this kit is being installed to a standard vehicle or to an already tuned vehicle
the dyno graphs showed the standard Airbox struggles to keep the power in the higher rev range
-6 and -8 discharge adapters without the integral check valves
Milltek BMW 3 Series E30 M3 1987-1992 Full System (including Cat Replacement Pipe Exhaustment Pipe) Exhaust - SSXBM1065 F32 LCI 420ix BMW F20 / F21 M135i(x)All Milltek performance exhaust systems are manufactured from T304L stainless steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.