BMW Axleback Exhaust for BMW 4 Series F33 (2014+)

Arguably THE BEST modification for your B46/B48. This muffler delete sounds too good to be a 4 cylinder! The combination of B48 and muffler delete surpasses all sound expectations from a 4-cylinder! Impressive direct-fit solution. With this new muffler delete you can transform the sound and driving experience of your 330 or 430. A simple installation that can be completed with hand tools gives you the ability to take your car to the next level at home in your garage!

The ECS B48 muffler delete removes the heavy and restrictive factory exhaust muffler and replaces it with a high-flow, straight-through exhaust pipe. This adds a louder exhaust note in a simple, cost-effective way without replacing the entire exhaust system and is fully compatible with the OEM rear valance. The muffler delete creates a noticeable increase in exhaust sound and more exhilarating turbo noise, without adding significant drone at cruising speeds. As an added bonus, our muffler delete shaves off 21.0 lbs., weighing in at only 7.0lbs compared to the OEM muffler at 28.0lbs!

Features and benefits:

Enhanced exhaust tone
Simple installation (with instructions!)
21lb weight savings! (Factory muffler 28 lbs, muffler delete 7 lbs!)
Tip adjustment capability ​
Slide farther on for left and right adjustment
Rotate for verticle adjustment
Good looking and durable 304 stainless steel construction
Heavy-duty fabricated sheet metal exhaust hangers
Dual staggered tip exhaust tips (integrated)
Installation and Support:

Installation is as easy as cutting, placing into position, and clamping!
Tools you might want for the job:
Exhaust hanger removal pliers - T379176
Exhaust pipe cutter - T385451

Transform the sound profile and driving dynamics of your BMW without replacing the entire exhaust system! Engineered specifically for the N20-equipped F3X platform, this direct-fit muffler delete delivers an aggressive, sporty tone you wouldn't expect from a 4-cylinder engine.

By eliminating the restrictive factory muffler and replacing it with a high-flow, straight-through exhaust pipe, this kit unlocks an incredible surge in volume and a sporty tone. Beyond the dramatic sound upgrade, this setup drastically improves performance efficiency through massive weight savings. The high-flow straight pipe removes 21 lbs from the rear of the vehicle, dropping the total axle-back exhaust weight down to just 7 lbs. Designed for quick at-home installation, it installs using basic garage hand tools and integrates perfectly with your OEM rear valance for a clean, OEM+ aesthetic.