WSTN Performance
WSTN BMW N54 Catless Downpipes 335i/135i (E8X/E90/E92/E93)
Free Australian Delivery Over AU$99
Free International Delivery Over AU$200
Only The Highest Quality Products
Have a question about this product? Contact Us
In stock. Ships in 2-4 Days
Choose options
Free Australian Delivery Over AU$99
Free International Delivery Over AU$200
Only The Highest Quality Products
Have a question about this product? Contact Us
In stock. Ships in 2-4 Days
Free Australian Delivery Over AU$99
Free International Delivery Over AU$200
Only The Highest Quality Products
Have a question about this product? Contact Us
In stock. Ships in 2-4 Days
Description
🔥 MORE SOUND. MORE FLOW. BOLT-ON FIT FOR YOUR N54.
Catless downpipes are the single most impactful exhaust upgrade you can
make on the N54. Remove the factory cats, free up the flow, and hear your
twin turbos the way BMW should've built it from the factory.
Built from T304 stainless steel with mandrel-bent piping and factory-spec
flanges, direct bolt-on for both RHD and LHD vehicles. No cutting. No
welding. Fits first time.
Stock fitment delivers immediate sound improvement and improved throttle
response. Pair with a tune for maximum power gains.
Why Upgrade?
🔊 Aggressive turbo spool - hear your N54 breathe without restriction
⚡ Improved throttle response - noticeable from the first drive
📈 Significant power gains when paired with a tune (E30/E85 recommended)
🔧 Mandrel-bent T304 stainless - built to handle serious power and heat
✅ Direct bolt-on - no cutting, welding, or fabrication required
🌏 RHD and LHD compatible - fits Australian-delivered vehicles and overseas
Fitment & Compatibility
✅ Fits both RHD and LHD vehicles
Compatible BMW N54 models:
BMW 1 Series
135i E82 (2007–2013)
135i E88 (2007–2013)
BMW 3 Series
335i E90 Sedan (2006–2011)
335i E92 Coupe (2006–2013)
335i E93 Convertible (2007–2013)
Engine: BMW N54 - 3.0L Twin Turbo Inline-6
⚠️ Not sure if this fits your build? Message us your year, model and
engine code before ordering - we'll confirm fitment within a few hours.
IN THE BOX
📦 What you receive:
- 2 x N54 Catless Downpipes
- 2 x Gaskets
- All mounting hardware
Everything needed for a complete installation is included.
Installation
🛠️ Direct OEM replacement - fits factory mounting points
⏱️ Estimated install time: 1–2 hours with basic tools
🔧 No cutting, welding, or custom fabrication required
🎵 Recommend a professional install or experienced home mechanic
FAQ
Yes, We Deliver Worldwide with DHL, FeDex, UPS and More
Detailed fitment data is included in the "Fitment" or "Compatibility" section of every product page.
If you need to confirm a specific fitment before we start your build, please message our team through live chat or at contact@wstnperformance.com or our live chat
To ensure you can shop with total confidence, the majority of our performance parts, including our premium exhausts and carbon fibre range are backed by at least a 12-month warranty.
We specify the exact coverage on every product page so you’re always informed. For the finer details, feel free to explore our full [Warranty Policy].
If you’d like to confirm coverage for a specific build, our experts are ready to help via Chat or at contact@wstnperformance.com
We want to get your parts to you as quickly as possible.
To ensure total transparency, specific delivery estimates are clearly displayed on each product page and at checkout.
- In-Stock Items: Typically arrive in 1–3 business days (Express) or 3–7 days (Standard) within Australia.
- Made-to-Order: To ensure the highest quality, some of our specialised components are handcrafted to order and generally ship within 1–2 weeks.
- International: We ship worldwide via Express (2–5 days) and Standard (3–10 days).
Need a precise lead time? If you’re planning a build and need to confirm availability, our team is available via Live Chat or at contact@wstnperformance.com. or contact us
Most of our products are often treated as standard hardware upgrades.
However, since manufacturer warranties vary by brand and location, we are unable to provide a universal confirmation on coverage.
To be 100% safe, we recommend checking with your dealership prior to purchase.
Our return policy lasts for 14 days. If more than 14 days have passed since your product was delivered, we regret to inform you that we can't provide a refund or exchange.
Yes, we certainly can. Beyond our listed range, we have an extensive global network that allows us to source a vast array of OEM, Aftermarket, and Genuine parts from around the world. Whether you are looking for a rare factory component or a specific performance upgrade, we are here to help.
To help us assist you as quickly as possible, please make sure to include your vehicle details (Make, Model, Year, and Series/VIN) along with the part you are chasing.
Currently, WSTN Performance operates as a specialised parts supplier, however, we are actively expanding our service offerings.
We are currently working on establishing a network of certified partner workshops to provide professional installation, with future plans for our own dedicated facility.
Are you a workshop owner?
We are always looking to partner with high-quality workshops interested in installing or stocking our range. If you would like to join our authorised network, please reach out to us via Live Chat or email at
contact@wstnperformance.com to discuss a partnership.
