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4 Series F33 428i Convertible (N26)
By eliminating the incredibly restrictive OEM muffler
10-15 HP increase*
This only pertains to E chassis BMW vehicles
ARM F3X N55 Aluminum Charge Pipe Upgrade Transmission:Auto 4 Series F33 428i ConvertibleHIGHLIGHTS Built for High Boost Applications Aluminum Construction CNC Machined TB + IC Connections Meth Nitrous Ready (1 8" NPT) Fits FMIC's with OEM Connections Fits Both MT and AT Complete with Hoses and Hardware PROFILE The F3x N55 doesn't fall far from the tree of its older brother the E90 when it comes to charge piping. Like the E90, the F30 charge pipe is made of plastic, and is susceptible to breaking at the most inopportune times, leaving you
US$ 45.00
US$ 13.90
US$ 29.99
