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The 20-0409 low profile 13
120 4CYL (Suits coupe)
The B58 Super Manifold is made from Billet Aluminum and 100% Tig Welded for strength
or a 0-5v voltage-based MAF
Made from 6061 Aluminum with a Durable Zinc Finish
Dinan Free Flow Axle-Back Exhaust Blow Off Valve Springs The 20-0409 low profile 13Dinan's free flow Axle Back exhaust for the 335i Coupe and Convertible improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. The