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SKU: BMW.F8X.VLVP
Fabspeed BMW M3/M4 (F80/F82) Valvetronic Exhaust System (2014-2020)
This complete catback exhaust system delivers aggressive sound and power gains for BMW F80 M3 sedans and F82 M4 coupes from 2014 to 2020. It features a high-performance Valvetronic rear muffler and exclusive Double-X midpipe for smooth exhaust flow without rasp. Dyno-tested gains include 19 whp and 31 ft/lbs torque at 3300 RPM with peak output rising to 419 whp and 414 ft/lbs.
Key Features
- Double-X Midpipe: World's first design with two X sections boosts scavenging for smoothest exhaust note and zero rasp
- T304L Stainless Steel Build: 16ga 0.065-inch thick CNC mandrel-bent 2.75-inch tubing ensures durability under racing or daily conditions
- Valvetronic Muffler Valves: Machined mounts retain factory actuators for full valve control and quiet mode capability
- Quad-Style Tips: Deluxe finish options in polished or black chrome enhance rear styling
- Weight Reduction: 62 lbs total versus factory 69 lbs saves 7 lbs for better handling rear section 33 lbs mid-pipes 29 lbs
Product Notes
- Does not fit BMW F83 M4 convertibles requires rear bracket modification due to cross-member interference
- OEM gaskets included for direct bolt-on replacement
- Emissions compliant retains catalytic converters
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory hangers and actuators no cutting or welding needed
- Torque clamps to spec align components for leak-free fit check ground clearance after install
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2020 | BMW | M3 | F80 Sedan (All S55) |
| 2014-2020 | BMW | M4 | F82 Coupe (All S55) |
Why Choose Fabspeed?
- Hand-built in USA with in-house dyno testing for verified gains
- Precision engineering from premium T304L stainless steel for lifetime durability
- Proven by reviews like AutoEvolution best sounding M3/M4 exhaust BoostAddict 20+ hp smoother note
Frequently Asked Questions
-
Q: Will this fit BMW M4 convertibles?
A: No fitment for F83 models light rear bracket mod needed due to cross-member contact confirmed for F80/F82 only worldwide -
Q: What material is used?
A: Full T304L stainless steel 16ga thick 2.75-inch diameter mandrel bent resists corrosion heat and fatigue -
Q: What warranty applies?
A: Lifetime warranty on welds and construction defects 1-year on valves contact Fabspeed for details
Shipping & Handling
- Method: UPS/FedEx Ground freight oversized
- Availability: In stock - ships same or next business day
- Packaging: Securely crated heavy-duty box 60x24x18 inches
- Weight: 72 lbs shipping 62 lbs product
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Fabspeed
Fabspeed Motorsport is a Pennsylvania-based performance parts manufacturer that specializes in exhaust systems, sport catalytic converters, headers, downpipes, intake systems, and carbon fiber components engineered specifically for exotic and high-performance European sports cars including Porsche, Ferrari, Lamborghini, McLaren, BMW M, and Audi R8. Every Fabspeed product is TIG-welded from aerospace-grade stainless steel or titanium in the USA, dyno-tested for measurable power and sound improvement, and designed as a direct bolt-on replacement that preserves the factory catalytic converter monitoring system or provides an explicit sport cat solution for emissions-compliant upgrades. Exotic car owners who have already maximized software and cosmetic modifications choose Fabspeed exhaust systems because the brand's specialty focus on a narrow range of platforms produces fit quality and sound character that universal exhaust manufacturers cannot achieve. The brand's XperTune ECU calibr...
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