RVNG X3M/X4M S58 3.5” Midpipe
Couldn't load pickup availability
Pickup available at Rvng HQ
Usually ready in 24 hoursPairs well with
Description
RVNG 3.5” X3M/X4M Single Midpipe
The RVNG 3.5” Single Midpipe is engineered to improve the exhaust tone and flow characteristics of the BMW F97 X3M and F98 X4M.
The factory S58 exhaust system keeps the two exhaust banks separated through much of the midsection, contributing to the raspy and uneven exhaust note commonly associated with the platform. Our system merges both banks into a large 3.5” single section, allowing the exhaust pulses to interact earlier and more evenly.
This single-pipe configuration helps reduce high-frequency rasp while producing a deeper, smoother and more defined exhaust tone. The increased tubing diameter also provides a less restrictive flow path than the factory midsection, making it suitable for both stock and higher-output vehicles.
Smooth transitions throughout the system help minimize turbulence and unnecessary changes in cross-sectional area. The result is improved exhaust flow, a more balanced sound and a noticeably more aggressive tone throughout the RPM range.
Designed as a direct-fit upgrade, the RVNG 3.5” Single Midpipe connects to the factory downpipes and rear exhaust section without requiring permanent modifications.
Features
- Large 3.5” single-pipe configuration
- Merges both S58 exhaust banks into one central section
- Helps reduce high-frequency rasp and exhaust harshness
- Produces a deeper and more uniform exhaust tone
- Increased flow capacity compared to the factory midsection
- Smooth transitions designed to reduce turbulence
- Compatible with factory or aftermarket downpipes
- Retains compatibility with the factory rear exhaust system
- Direct-fit installation
- Designed for the BMW F97 X3M and F98 X4M
The RVNG 3.5” Single Midpipe delivers the deeper tone, improved flow and aggressive character the S58-powered X3M and X4M should have had from the factory.
RVNG X3M/X4M S58 3.5” Midpipe
FAQs
Answers to our most common questions below.
How Long Does Shipping Take?
All RVNG items ship within 1-3 days. If an item is out of stock the customer will be notified with the choice of a refund or an estimated timeline of delivery.
Do You Have Exhaust Parts For My Car?
We make a range of downpipes and exhaust systems for almost all BMWs. We choose to specialize in that market so we can always ensure we are selling the best product possible for your Bimmer!
Do You Offer In Person Pick-Up & Installs In Cali?
Yes, We are located in Garden Grove in Orange County, California. We invite any of our customers to pick-up in stock items and for any install or car related work.
Will Installing These Parts Void My Factory Warranty?
Aftermarket performance parts can affect your factory warranty on related components under the Magnuson-Moss Warranty Act — a dealer must prove the part caused the failure to deny a claim. We recommend speaking with your dealer or tuner. Our parts are precision-engineered to factory tolerances and we stand behind every product with our own Lifetime Warranty against defects and fitment issues.
Do These Parts Require a Tune?
Some parts — particularly downpipes, intake kits, and fuel system upgrades — will require or strongly benefit from an ECU tune to see full performance gains and to prevent check engine lights. Parts like heat exchangers, oil coolers, and hardware do not require a tune. We recommend reaching out to us or your local tuner before purchasing if you're unsure.
What Is Your Return Policy?
We accept returns within 30 days of delivery on unused, uninstalled, and undamaged items in original packaging. Custom or made-to-order parts are non-returnable. To start a return, contact us at contact@rvngraceworks.com with your order number. Return shipping is the customer's responsibility unless the item arrived damaged or incorrect.
How Do I Know This Will Fit My Car?
Every RVNG product is developed and validated on the specific platforms listed. If your exact build year, model, or configuration isn't listed, contact us before ordering — we'll confirm fitment. We stand behind every part with our Fitment Guarantee: if it doesn't fit as described, we'll make it right.
If you have any questions, we're always welcome to help. We'll get back to you within 24 hours on weekdays.
-
Shipping Information
All orders ship within 1-3 business days from our Garden Grove, CA facility.
-
Customer Support
We're here to help. Reach out anytime and we'll get back to you within 24 hours on weekdays.
-
FAQ's
Check out our FAQ section below for answers to our most common questions.
-
Contact Us
Located in Garden Grove, CA. Stop by for pickup or install appointments — we'd love to meet you.