034-201-8015 - 034Motorsport Intake Valve, .5mm Oversized, Back Cut, 4v VW/Audi Product_Type Tuning Engineered specifically for F80 M3

Engineered specifically for F80 M3 and F82 M4 models

The Density Line Dogbone Mount Pair is manufactured from 65 durometer rubber - as opposed to the factory part's 55 durometer - and features a steel thread insert in the upper mount for increased resistance to stripping threads

Street Density

Replaces (058133785B) - 034-104-2002

The new aggressive exhaust note is accomplished by removing the heavy factory resonator and replacing it with a ready-to-install 034Motorsport Res-X Resonator Delete and integrated X-Pipe

034-201-8015 - 034Motorsport Intake Valve, .5mm Oversized, Back Cut, 4v VW/Audi Product_Type Tuning Engineered specifically for F80 M3Black Nitride oversize stainless intake valve for all 4v VW Audi motors including 16v,20v and 32v motors. Back cut valve head and stem greatly increase flow, we've seen up to 15cfm just from dropping these in an otherwise stock head. Fit with OEM seats, use with OE fit springs, retainers, guides, clips, etc. OE seats need to be cut to the new larger diameter, otherwise a direct fit for stock. Price each.