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This product was last offered at the strikethrough price on
01-03-2026
This product was last offered at the strikethrough price on
01-03-2026
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
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
The combination of N52 and muffler delete surpasses all sound expectations from a small 1 series! Impressive direct-fit solution. With this new muffler/res delete you can completely transform the sound and driving experience of your 128. 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! What sounds better than an in-line six-cylinder paired with a race-inspired exhaust setup, the answer is nothing. You have a nimble chassis fitted with an engine that provides more than enough power for spirited street driving or even taking to the track, if the exhaust is still factory you do not know what you are missing out on.
The ECS N52 Muffler & Resonator Delete removes the heavy, restrictive factory muffler and replaces it with a lighter weight, high flow, T304 stainless steel 3.0" exhaust tubing. This exhaust 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. This upgrade creates a noticeable increase in exhaust sound, without adding significant drone at cruising speeds. As an added bonus, the ECS muffler delete shaves off about 16 lbs, weighing in at only 22 lbs. OEM units out of the 128 weigh in at around 38lb, a difference you will fully notice when upgrading your exhaust.
Features and Benefits:
Replace the factory muffler and resonator for a race-inspired straight 6-cylinder sound
Large radius bends for maximum exhaust gas flow
16lb weight reduction (Factory 38lb, ECS 22lb)
Fits in the factory exhaust hanger locations
Installation instructions featuring locations for removing your factory exhaust
Design:
In-house designed and engineered rear Muffler & Resonator Delete is made of T304 stainless steel, 1.25mm wall thickness, CNC mandrel bent 3.0" tubing for straight-through exhaust gas routing
High-quality stainless steel
Barbed exhaust hangers tig welded into the factory location for direct fitment
Stainless steel accuseal exhaust clamps included for a leak-proof seal
Large radius bends throughout with smooth transitions for the best flow possible
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
304 Stainless Steel Resonator Section is the premium choice for automotive enthusiasts seeking enhanced exhaust performance. Crafted from high-quality 304 stainless steel, this resonator section offers superior durability and corrosion resistance. With its precision engineering and easy installation, it provides optimal exhaust flow and sound reduction for an improved driving experience.
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
Lightweight axle-back featuring an exotic exhaust note. Designed for the perfect blend of performance and functionality!
Prepare to give your 1 series the boost it deserves. Our cat-back exhaust was made to redefine the driving experience of your 135. Manufactured from premium brushed stainless steel, it is not just about reducing weight; it's about enhancing performance with unrestricted airflow. And the sound? It's a symphony of power and precision, carefully crafted for an unforgettable soundtrack. The sound experience is more than you could ask for. With the freedom of exhaust- flow and tuned exhaust note, we are very excited to get these exhausts on 135's everywhere, don't wait!
Featured on the ECS Tuning YouTube Channel! - CLICK HERE FOR SOUND CLIPS! -
In crafting this exhaust system, the primary focus is on achieving the perfect balance of sound and comfort. We understand the desire for a thrilling exhaust note without the annoyance of highway drone or interior vibrations. The ECS exhaust for your 135 incorporates this balance, offering a strategic blend of sportiness and practicality. Drawing from extensive experience, particularly with N54 cars like the E9x series, ECS has engineered an exhaust packed with innovative features, compatible with both factory and aftermarket downpipes. Experience the perfect blend of performance and everyday usability.
Prepare for a fresh new exhaust, things are about to get rowdy. This exhaust features twin 2.5" brushed pipes that slip fit and clamp onto your factory midpipes. The dual 2.5" mid-pipe adapter converges into a single 3" section heading toward the rear axle. The 3" exhaust section snakes through the rear section of the car making smooth dips and curves to make its way into a light-weight 3" turbo style muffler. Don't be fooled by the 135 muffler, the size is nothing but deceiving. The turbo-style muffler features an inner design that refines the exhaust note to perfection. An extraordinary mixture of both volume and smooth frequency. Paired with the 3" muffler is your choice of 3.5" exhaust tips that give your rear diffuser a sporty look that shouts performance.
Features and Benefits:
Street/Motorsport inspiration
Enhanced exhaust note
Full exhaust replacement
36% lighter than stock!
Stock axle-back: 39lbs
ECS axle-back: 25lbs
Reduction in back pressure for increased throttle response, TQ, and HP
Dual 3.5" fitted exhaust tips
Part Design:
In-house designed and engineered using FARO ARM laser scanning technology and SolidWorks 3D CAD modeling for precision fitment.
T304 Stainless Material in a natural finish - 1.25mm wall thickness, back purged, and TIG-welded throughout
Dual 2.5" Stainless Steel Mandrel Bent Tubing
T304 Stainless Steel 12mm barbed exhaust hangers TIG-Welded in OE locations for precise fitment.
Strategically placed slip joints provide the most adjustability to obtain perfect fitment
Kit Contents:
2.5" mid-pipe adapters
3" Rear exhaust section
3.0" free-flowing muffler section for better sound, and performance
Clamps and Hardware for an OEM+ install
Optional 3.5" ECS exhaust tips