Elevating your BMW M3/M4 G8X’s performance, and sound doesn’t have to be that hard of a venture, we have the best recommendation up our sleeves that we are readily sharing today. These 5 best exhaust systems listed below will increase your BMW M3/M4 G8X’s overall volume in a way that makes it a much more enjoyable ride, and even though they are affordable and easy to install, they guarantee a tremendous improvement to your car’s performance.
VR Performance BMW M3 | M4 G8x Titanium Valvetronic Catback Exhaust With 102mm Tips
Available for $2,995, this exhaust system by VR Performance is the best exhaust upgrade you can do for your BMW M3 G80 and M4 G82. This full titanium, Valvetronic, catback exhaust system will unlock your M3 G80 | M4 G82’s full potential and increase your ride’s performance. The VR Performance catback exhaust system guarantees a significant decrease in back pressure and permits much better flow throughout the system which in turn provides exceptional power gains.
Features:
- Full titanium construction
- Weighs 38lbs less than the factory stainless steel exhaust
- Eliminates restriction thanks to the 3-inch piping diameter
- Pie-cut bends offer exceptional flow without turbulence
- Retains factory Valvetronic functions
- Designed using 3D scanning and CAD for precision fitment
- Weighs 42lbs for a full catback!
- No modification is required for installation
- Does not trigger a check engine light
- 102mm exhaust tips
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AWE SwitchPath Catback Exhaust w/ 4.5″ Diamond Black Tips BMW G8X M3 | M4 2021-2022
We frequently recommend AWE systems because they are really that good, and their $2,995 system for M3 G80 | M4 G82 is no different. AWE SwitchPath system for BMW incorporates patented drone-canceling 180 Technology. This system allows you to enjoy the powerful sounds of our engine with its different modes. When the valves are closed, the SwitchPath Exhaust produces a refined, aggressive howl while at cruising speeds, interior acoustics are close to stock with no drone at cruising speeds. When you open the valves and the S58’s roar is uncorked. Sport and Sport+ modes achieve the ultimate contrast in behavior when compared to comfort driving modes (valves closed). In Sport mode, the exhaust note is powerful, clean, and aggressive.
Features:
- 50-state emissions-complaint dual 3″ exhaust configuration
- AWE’s first SwitchPath Exhaust for BMW to incorporate drone-canceling 180 Technology
- SwitchPath retains factory valve controls, no additional remote is needed
- Optional non-resonated performance mid-pipes available separately
- Fits stock and M-Performance valances
- Bespoke X-pipe unlocks a smooth tone out of the S58
- Ball socket mounting points for easy installation
- Max gains of 3 hp and 5 lb-ft of torque at the wheels
- Quad 4.5″ double-walled, slash-cut tips available in chrome silver and diamond black
- Less is more: clean, straight-through design maximizes performance
- Manufactured in-house at AWE
- AWE No CEL Guarantee
- AWE Perfect Fitment Guarantee
- AWE Lifetime Warranty
ARMYTRIX Valvetronic Exhaust System BMW M3 G80 | M4 G82 2020+
For the price of $4,580, you can enhance your M3 | M4 G80 by adding the ARMYTRIX Stainless Steel Exhaust System. This system delivers more power, especially in the low and mid rev range, the effect on the sound is significant, adding a deep resonant sporty sound, but at the same time neutralizing the annoying frequencies in the most critical rpm range. In addition to that, this precision-made performance system increases power, reduces weight, and improves sound.
Features:
- OPF-Delete Front Pipes
- Resonated Mid Pipe + Mid Pipe 2
- Valvetronic Mufflers
- Quad Chrome Silver Tips
Fabspeed Supersport Valvetronic Catback Exhaust System Carbon Fiber Tips BMW G80 M3 2021+
Fabspeed Supersport Valvetronic Catback Exhaust System is available in our shop for $5,331.07. With this system, you will get that aggressive and sharp BMW sound without any check engine lights or in-cabin drone. In addition to that, this system causes a max gain of 25 ft/lbs of TQ at 3,300 RPM and 22 WHP at 5,500 RPM as proven by Fabspeed’s in-house DynoJet. That’s 26 crank HP!
Features:
- Adds an impressive 22 WHP and 25 ft/lbs of TQ
- Constructed from CNC mandrel-bent 14-16 gauge T304L stainless steel
- Laser scanned and CAD designed for perfect OEM fitment using Ametek Handyscan 700
- Includes Deluxe Quad-Style Tips in your choice of finish
- World’s first and only “Double-” mid-pipe design includes two investment cast “X” sections for increased exhaust scavenging, resulting in a throaty exhaust note with the least amount of rasp
- Uses aerospace-quality Helical Limited exhaust valves imported from the U.K.
- Saves 8lbs / 3.6KGs compared to the factory system
- Retains factory valve functionality for “plug and play” installation
- Simple bolt-on installation, no cutting or welding required
- All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
Xforce Exhaust System Kit Competition Varex Catback System BMW M3 G80 2020+
Available for $3,249, this Xforce Exhaust System allows your twin-turbo S58 to sing. The VAREX Valve-equipped exhaust system projects a symphony like no other and it suits the BMW G80 M3 and G82 M4 Engineered with 3 304 stainless steel with quad 4 tip outlets. Designed for the spirited driver seeking a performance exhaust solution with user-adjustable sound control, this system for the G80 M3 completely transforms your behind-the-wheel experience and in turn, makes your M sound the best.
Specifications:
- Dual 3 VAREX Cat-Back System.
- Mandrel Bent 304 Stainless Steel Brushed Finish.
- Dual 2.75 OEM Inlet to Dual 3 Pipework with V-Band Flanged Clamping System for ease of installation and future serviceability.
- Single East-West Dual 3 Inlet VAREX Muffler with Dual VAREX valves.
- Quad 3 Outlet with Polished Double Wall Angle 4 Tips with bolt-on installation
- Part No: ESBMG80VKCS
- Vehicle Model: M3, M4
- Diameter [in]: 3″
- Material: 304 Stainless Steel Brushed Finish
