Competition Series 4" Catless Downpipe for the N26 (4 Cylinder) Engine e91 After the Type III Hard

After the Type III Hard Anodizing

cheap fittings and lines made overseas used here

When intake air starts to reach the speed of sound (Mach 1) the piping size itself becomes a restriction (and yes

This expansion disrupts internal flow and causes turbulence

Restrictions in the exhaust system robs horsepower and torque especially on turbocharged cars

Competition Series 4" Catless Downpipe for the N26 (4 Cylinder) Engine e91 After the Type III HardIntroducing our new Competition Series 4" Downpipes for your N26 four cylinder turbo engine! Fits all 2012+ 328i, 320i, 428i, 420i, 228i with the N26 engine (does not fit N20 engine). We've made a simple guide to help you tell which engine you have in your car. Click Here: How to tell if you have an N20 or N26 Engine. Key Features: Made in the USA! Manufactured in house. Now available for the 2012+ BMW 328i 320i 428i 420i 228i N26 Engines! Horsepower