Spools like a different car
Backpressure gone. Boost comes in a full 400rpm sooner and it pulls all the way to redline now. Fitment was dead-on — no massaging, no fighting the O2 bungs.
Marcus D.
W204 · M156
Upgrade your vehicle's sound and performance with the MBH Motorsports Stainless Steel X-Pipe. Built to eliminate unmonitored secondary cats, this system reduces backpressure to free up trapped power while delivering a deeper, more refined exhaust note.
On the dyno
The gains listed for this part, measured at the wheels. Your numbers will move with the car, fuel and tune.
Inside the build
Fitment
Your car on the list? You're good to go.
The details
Upgrade your vehicle's sound and performance with the MBH Motorsports Stainless Steel X-Pipe. Built to eliminate unmonitored secondary cats, this system reduces backpressure to free up trapped power while delivering a deeper, more refined exhaust note.
Key Features & Benefits:
Proven Performance: Gain an estimated +10 horsepower by improving exhaust scavenging and flow.
Premium Construction: Crafted from durable, high-quality USA 304 stainless steel for longevity and corrosion resistance.
Easy Installation: Designed for a simple bolt-in fit requiring only a single cut to one side of the factory exhaust.
Maximum Versatility: Fully compatible with your factory exhaust or seamlessly integrated with the MBH Motorsports header system.
Disclaimer: For off-road racing and competition use only. This product is not intended to be installed on a registered vehicle for use on public roads or highways and may never be installed on a registered or licensed vehicle for use on any public roads and highways.
Straight from the owners
Real cars. Real dyno sheets. Here's what owners say after the headers go on.
5.0 / 5
3 verified builds
Ready for yours?
Before you order
The questions we get asked most.
Still not sure?
Email us your question or VIN and we'll confirm fitment before you order.
sales@mbhmotorsports.com
It's built for W204 · M156. Pick your car in the fitment check at the top of this page to confirm. Not listed, or engine swapped? Email us your VIN and we'll confirm fitment before you order.
Yes. Headers and downpipes we build carry a lifetime warranty (coated or painted finishes excluded). Email us with any warranty question.
Right here in the USA, in our Phoenix, Arizona shop.
Yes. Email us with your car and your question and we'll get back to you. If you're unsure about fitment, include your VIN.