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Mandrel Bent 3" (80mm) piping
Rubber hosing expands under boost pressure
our charge pipe come with two 1/8" NPT threaded bung (for methanol or nos injectors) welded to our charge pipe
Since the June 2009+ models charge pipes include what is known as "the meth elbows"
Torque gains of 16wtq average (stock boost) up to over 24 wtq (Software upgrade) (gains will vary based on modifications of your vehicle)
Competition Series 4" Catless Downpipe for the X1/X3/X4/Z4 N20 (4 Cylinder) Engine Finish:Polish Finish Mandrel Bent 3" (80mm) pipingIntroducing our Competition Series 4" Downpipes for the 2011 15 X1 s xDrive28i 20i 16i, 2011 17 s xDrive28i 20i 18i, 2014 18 X4 xDrive28i 20i 18i and 2011 16 Z4 sDrive28i 20i 18i N20 (4 Cylinder) Engine. Key Features: Made in the USA! Manufactured in house. Now available for the 2011 15 X1 s xDrive28i 20i 16i, X3 s xDrive28i 20i 18i, X4 xDrive28i 20i 18i and 2011 16 Z4 sDrive28i 20i 18i N20 Engines! Horsepower gains of 14 to 16whp average (gains will
