SKU: 11789466629

BMW F30 F32 F36 340i 440i Catback Performance Exhaust - Yonristic Performance

Sale price$1490.40 Regular price$1656.00
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Ships within 48 hours · Estimated delivery Oct 29 - Nov 3

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Description

BMW F30 F32 F36 340i 440i Catback Performance Exhaust - Yonristic PerformanceBMW F30 340i 440i Exhaust System Grade 5 Titanium Builds Available*** Factory Plug and play valves control supported*** One of a Kind. Built for the B58. The BMW F30 340i, F32 440i, and F36 440i are icons of the last great 3 Series and 4 Series generationsbold, balanced, and powered by the legendary B58 inline 6. But the factory exhaust system leaves a lot of soundand soulon the table. Thats why Yonristic Performance engineered the only true full cat

BMW F30 340i 440i Exhaust System

Grade 5 Titanium Builds Available***

Factory Plug-and-play valves control supported***

One of a Kind. Built for the B58.

The BMW F30 340i, F32 440i, and F36 440i are icons of the last great 3 Series and 4 Series generations—bold, balanced, and powered by the legendary B58 inline-6. But the factory exhaust system leaves a lot of sound—and soul—on the table. That’s why Yonristic Performance engineered the only true full cat-back exhaust system for these cars. No compromises. No cutoffs. Just pure, uninterrupted performance and sound from front to rear.

This system features a full 3.0-inch mandrel-bent design from the downpipe all the way to the rear muffler section, ensuring maximum exhaust velocity and minimal restriction. At the rear, the system incorporates a unique Y-pipe configuration inside the valved muffler section. When the valve is closed, exhaust gases are routed through a muffled, more refined path for quieter daily driving. When open, the flow bypasses the restriction—unleashing raw turbocharged aggression, increased volume, and sharper pops and overrun crackles.

Unlike most aftermarket setups that only replace the rear muffler or axle-back, the Yonristic system is a true full cat-back—designed from scratch for enthusiasts who demand more power, more tone, and more control. Built from 304 stainless steel and hand TIG-welded, this system pairs function with form, with optional carbon fiber tips to match the car’s modern edge.

Key Features:
✔️ Full 3.0-inch mandrel-bent piping – uninterrupted flow from front to back
✔️ Y-pipe with valved control – tame or aggressive at your command
✔️ True full cat-back – the only complete solution on the market for 340i / 440i
✔️ Electronically controlled valve system – OEM-level integration with aftermarket sound
✔️ TIG-welded 304 stainless steel – precision-built and durable under extreme heat
✔️ No check engine light (CEL) – emissions-safe and sensor compatible
✔️ Bolt-on installation – no tuning or cutting required

Vehicle Fitment:

  • BMW F30 340i – 2016–2018

  • BMW F32 440i – 2017–2020

  • BMW F36 440i – 2017–2020
  • Engine: 3.0L Turbocharged Inline-6 (B58)


More Than an Upgrade—It’s a Statement.

From cold start to redline, the Yonristic Valved Sport Exhaust System delivers the full spectrum of what the B58 is capable of—smooth refinement when you need it, ferocious tone when you want it. If you own a 340i or 440i, this is the final piece your build has been missing.

The ONLY true full cat-back on the market. Built exclusively for drivers who demand more.

Unmatched Performance with Every Rev

The BMW F30 340i and F32 440i owners know that nothing enhances driving pleasure like a high-performance exhaust system. The Yonristic Catback Exhaust System maximizes the engine's output and significantly improves throttle response. This system not only delivers a more aggressive exhaust note but also enhances the overall performance of your vehicle, making every drive an exhilarating experience. With its superior design, this exhaust system is engineered to provide maximum flow, ensuring your car performs at its best.

Durable Construction for Lasting Quality

When investing in an exhaust system, durability is paramount. The BMW F30 340i 440i Exhaust System by Yonristic is crafted from high-quality materials designed to withstand the rigors of daily driving and track days alike. The 304 stainless steel construction resists corrosion and maintains its luster over time. Additionally, the precise fit and finish means installation is straightforward, allowing you to enjoy the benefits without the hassle. This attention to quality ensures you'll enjoy your performance upgrade for years to come.

Enhanced Sound and Style

Beyond just performance improvements, the Yonristic Catback Exhaust System provides a distinctive sound that commands attention. When you rev your engine, the deep, throaty growl turns heads and brings a smile to your face. Furthermore, the sleek design seamlessly integrates with your BMW's aesthetics, giving it a polished look. So if you want to separate your F30 or F32 from the rest, this system offers both superior sound and an enhanced visual appeal, making your car truly unique on the road.


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 11789466629

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4.1 ★★★★★
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Stephanie VandeWater
Port Orchard, US
★★★★★ 5
Great product
Color: Black, Size: Medium
Super soft and fits like a sock should. I wash in a lingerie bag on gentle cycle and hang dry due to fabric type. My feet don't get sweaty which is why I have chosen merino wool products as all of my base layers (socks, underwear, etc)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
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Verified Purchase
M
Lowell, US
★★★★★ 4
Lightweight and Comfortable, but very thin
Color: Black, Size: Large
I used the Lapulas Merino Wool Quarter Socks for Men on a Europe trip where I was walking pretty much all day, and overall they performed well. The biggest thing to know right away is that they are very thin. If you’re expecting thick, cushioned socks, these are not that. They feel more like a lightweight layer rather than something padded. That said, the thinness actually worked in my favor for travel. Even after long days of walking, my feet didn’t feel overly sweaty or damp. They seem to handle moisture pretty well, and I didn’t get that uncomfortable “wet sock” feeling, which is a big plus when you’re constantly on the move. They’re also surprisingly decent at regulating temperature. They’re not thick, but they still help keep your feet warm when it’s a bit cold, while staying breathable enough during the day. It’s more of a balanced, all-day comfort rather than heavy insulation. One thing I noticed is that they stretch out a bit after the first use. They’re snug at first, but after wearing them for a day, they loosen slightly. It’s not terrible, but it’s noticeable, especially since they’re already thin. Also, proper care really matters with these. Since they’re merino wool and lightweight, I’d recommend being careful with washing and drying—gentle wash and air drying is probably the best way to maintain the shape and quality. Throwing them in a regular hot wash/dry cycle will likely wear them out faster or affect the fit. Because they’re thin, they fit nicely inside shoes without feeling tight or bulky, which I appreciated when wearing sneakers for long periods. Pros: -Lightweight and comfortable for all-day walking -Good moisture control, feet don’t feel damp -Breathable and not too hot -Helps keep feet warm despite being thin -Easy to pack for travel Cons: -Very thin, not much cushioning -Slightly loosens after first use -Requires careful washing and drying
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
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Verified Purchase
hstoner
Belleville, US
★★★★★ 3
Too stretchy for my preference
Color: Black, Size: Large
The socks seem to be high quality, but they are too stretchy for my liking. They feel like "compression" socks, and become too thin and stretched when worn (yes I bought the correct size). Even though they have less Spandex than my preferred wool socks (e which are no longer available), they are much stretchier.
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Reviewed in the United States on April 9, 2026
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Amazon Customer
Massapequa, US
★★★★★ 5
Thick and comfortable
Color: Black, Size: Medium
These socks fit 7.5 wide size woman's shoe wearer perfectly. Socks are thick and comfy. They stay in place all day. I got rid of all my old socks and it is a pleasure not having to scrounge for a matching pair. They wash and dry well in machine on wool setting.
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Reviewed in the United States on May 17, 2026
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Verified Purchase
Jennifer Grady
Charlottesville, US
★★★★★ 5
Very pleased!
Color: Black, Size: Medium
Good fit, good thickness, keeps feet warm and dry, no uncomfortable seams. I've only washed them twice, but will return if items don't hold up. So far they're proving to be a good investment.
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Reviewed in the United States on April 4, 2026

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