VRSF 3.5″ N54 & N55 Catback Exhaust (E90 & E92)

VRSF 3.5″ N54 & N55 Catback Exhaust (E90 & E92)The VRSF 3. 5 Catback Exhaust for your N54 & N55 335i is the best bang for your buck option available for your N54 N55. Our 3. 5 mandrel bent design significantly reduces flow restrictions present in the OEM system which results in faster spool and MORE POWER. Street Catback: Our 3. 5 Street Exhaust shaves about 42 lbs over the OEM exhaust due to our unique 2 to 1 design from the downpipes through the muffler. At idle, the street mufflers exhaust note

High resolution calibration tables 24x24 cell RPM vs MAP

THESE PARTS ARE LEGAL FOR USE ONLY IN COMPETITION RACING VEHICLES AS DEFINED UNDER CALIFORNIA LAW

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Polished shell with black machined or polished center

Pre-assembled with genuine Walbro 450 pump

If you do not plan on road course racing (not street racing) and are responsible at maintaining ¼ tank of fuel during spirited driving this is the pump for you

or hard drops

Why you ask

The ARM F80 M3 Charge Pipes replace the OEM plastic S55 charge pipes

S63tu engine BMW Vehicles supported:

We used 6061 aluminum (lightweight) mandrel bent piping to ensure smooth transitions

(II) PURCHASER EXPRESSLY ACKNOWLEDGES THAT PRODUCTS MAY CAUSE DAMAGE TO ANY VEHICLE IN WHICH SUCH PRODUCTS ARE INSTALLED AND PURCHASER AGREES TO RELEASE