F80 M3/F82 M4 Valved Exhaust – 4” Single System by RVNG

RVNG's 4" Full True Single Midpipe Quad-Tip Valved Exhaust is the first of its kind for the F8X S55 platform — a ground-up redesign of sound, flow, and performance. This isn't just a bigger pipe: the 4" true single midpipe eliminates the restrictive factory dual-pipe and the 3.5" crossover designs found in other systems, allowing smooth, uninterrupted flow from the downpipes all the way to the rear muffler. The result is a deeper, more refined tone with less rasp, reduced back-pressure, and better turbo efficiency, especially at higher RPM.

An OEM-style electronic valve lets you switch from a quiet, neighborhood-friendly tone to a raw, aggressive one at the press of a button, all flowing out through a striking quad-tip. The full system bolts in within about 30 minutes, replacing the outdated 3.5" midpipe and OEM muffler.

Highlights

• First 4" full true single midpipe quad-tip valved exhaust for the F8X S55
• Eliminates the factory dual-pipe and 3.5" crossover for smoother flow
• Deeper, more refined tone with less rasp and reduced back-pressure
• OEM-style electronic valve control
• Quad-tip configuration
• Roughly 30-minute bolt-on install

Fitment

BMW F80 M3 and F82 M4 (S55).

Emissions disclaimer: This product is intended for off-road, race, or closed-course competition use only and is not legal for use on pollution-controlled vehicles operated on public roads in most states and provinces. You are responsible for compliance with all applicable emissions laws. Please check your local laws before purchase and installation.

Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.