Rvng Designed (G80,G82) M3 M4 S58 valved exhaust system
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Description
TITANIUM ON BACK ORDER ETA 06/2026
The team at Rvng is proud to announce our Rvng designed valved system for the G8X platform are now available. The G8X platform isn’t known to be one of the best sounding cars, we decided we wanted to make a setup that we felt was the best sounding and performing on the market.
After many tests this is the design we settled on
Our system has a 4.1” single midpipe paired with a built in x pipe that leads into the muffler. This setup in our opinion is the perfect sound combination. The is hands down the best midpipe for your G8X, it allows both turbos to flow into one pipe making the spool way louder aswell as giving your car a deeper less raspy tone. We included the built in x pipe to allow for a little bit of a more exotic tone. Pair these two together and you get the best sounding G8X exhaust on the market.
Rvng Catback System Features
- Constructed from the highest quality SS304 stainless steel
- 24lbs(Steel) 60lbs(titanium) Lighter than the OEM exhaust
- Fully clamp on exhaust (no welding needed)
- 100% REVERSABLE, always able to go back to stock at any time
- Electronic exhaust valves for factory-like operation compatible with aftermarket valve controllers
- Extended exhaust Brace for added clearance
- 20 wtq gained over stock
Our Titanium products do not carry a lifetime warranty unlike all our stainless products. Unfortunately, because of the material it is more brittle and weaker than stainless steel and does not last the same. If you add a pop and bang tune on a titanium exhaust system you risk destroying your exhaust system which we do not warranty.
Rvng Designed (G80,G82) M3 M4 S58 valved exhaust system
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 BMW's. We choose to specialize in that market so we can always insure we are selling the best product possible for your Beamer!
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 rvngperformance@yahoo.com with your order number. Return shipping is the customer's responsibility unless the item arrived damaged or incorrect.
Are Your Catless Downpipes Street Legal?
Catless downpipes are intended for off-road and track use only. They are not emissions compliant and will trigger a check engine light without an appropriate tune or O2 spacers. If you need a street-legal option, contact us — we can discuss catted alternatives depending on your platform.
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.
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Shipping Information
All orders ship within 1-3 business days from our Garden Grove, CA facility.
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Customer Support
We're here to help. Reach out anytime and we'll get back to you within 24 hours on weekdays.
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FAQ's
Check out our FAQ section below for answers to our most common questions.
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Contact Us
Located in Garden Grove, CA. Stop by for pickup or install appointments — we'd love to meet you.