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Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
The ARM 340i Midpipe significantly improves the sound of your B58, giving it the aggressive exhaust note you're looking for from a tuned B58-powered BMW. Designed to amplify the power and sound of your B58, the ARM 340i Midpipeeliminates the two central resonatorsfound in the stock 340i midpipe. By retaining the OEM muffler you still have the ability tocontrol the volume of your exhaust. Switch your car into Sport Plus and enjoy the sounds of the upgraded B58 sing, or flip it into comfort mode to drive through the neighborhood.
CONSTRUCTION
The ARM 340i Midpipe will allow for perfect fitment, sitting well within the recess for the exhaust underneath the vehicle. It has also beenengineered to sit at or above any other portions of the car, giving you adequate clearance, even if you're on a lowered suspension.
The ARM 340i Midpipe is designed tofit either the OEM downpipe, or any upgraded downpipe that fits the OEM midpipe. The ARM 340i Midpipe utilizes the OEM midpipe mounting location to secure the midpipe during aggressive driving.
The ARM 340i Midpipe is comprised of two sections, the longer front section and the shorter rear section. The two sections of the ARM 340i Midpipe are joined with aslip-fit style connectionandhigh quality performance-grade exhaust clamps. The ARM 340i Midpipe upgradedeletes the two OEM resonatorsopening up the sound of your B58.
The ARM 340i Midpipe utilizes a full 3.25” system throughout, from the downpipe all the way to the muffler.
IN THE BOX
• 1x ARM B58 Midpipe Front Section • 1x ARM B58 Midpipe Rear Section • 4x Exhaust Clamps
FITMENT GUIDE
Make
Model
Submodel
Engine
BMW
F30
340i
B58 3.0L
BMW
F30
340i xDrive
B58 3.0L
BMW
F32
440i
B58 3.0L
BMW
F32
440i xDrive
B58 3.0L
BMW
F34
340i Gran Turismo
B58 3.0L
BMW
F34
340i Gran Turismo xDrive
B58 3.0L
BMW
F36
440i Gran Coupe
B58 3.0L
BMW
F36
440i Gran Coupe xDrive
B58 3.0L
ARM MOTORSPORTS LIFETIME WARRANTY
Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit.
This product is for Off-Road Use Only. Items sold for off-road use only are illegal to use on public roads in most states and provinces. This product is intended for racing vehicles which may never be used on a public road.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.