- Description
- Fitment
- Refund Policy
MV TEKNIK Catless Downpipes for BMW G8X M2, M3 & M4 – S58
Unleash the full sound and performance potential of your BMW S58 with the MV TEKNIK Catless Downpipes, engineered specifically for the BMW G87 M2, G80/G81 M3, and G82/G83 M4.
Designed to eliminate the restrictive factory catalytic converters, the MV TEKNIK Catless Downpipes provide maximum exhaust flow and reduced backpressure, allowing the twin-turbo S58 engine to breathe more efficiently. The result is a noticeably more aggressive exhaust note, enhanced turbo sound, and improved response—especially when paired with performance ECU tuning.
Manufactured from premium stainless steel, each downpipe features precision fabrication, high-quality TIG welds, reinforced mounting points, and an integrated flex section where required for durability and proper fitment. Signature MV TEKNIK laser-etched branding completes the premium motorsport-inspired finish.
Whether you're building a tuned street car or a higher-powered S58 setup, MV TEKNIK Catless Downpipes deliver the flow, sound, and durability the G8X platform demands.
Features
- Catless downpipe set for the BMW S58
- Maximum-flow design with no catalytic converters
- Premium stainless steel construction
- Precision TIG-welded fabrication
- Integrated flex section
- Reduces factory exhaust restriction and backpressure
- More aggressive exhaust note
- Increased turbo sound
- Supports higher-performance tuned applications
- Suitable for stock and upgraded turbo setups
- Direct-fit design
- MV TEKNIK laser-etched branding
- Engineered specifically for the G8X platform
Vehicle Fitment
BMW S58 / G8X Platform
- BMW G87 M2
- BMW G80 M3
- BMW G81 M3 Touring
- BMW G82 M4 Coupe
- BMW G83 M4 Convertible
Please verify vehicle year and configuration before ordering.
Important Notice
These downpipes remove the factory catalytic converters and may not comply with emissions regulations in your province, state, or jurisdiction. Intended for off-road/competition use where permitted. Please check applicable local regulations before purchasing or installing.
Why Choose MV TEKNIK?
Engineered to Perform.
MV TEKNIK combines premium materials, precision manufacturing, and enthusiast-driven engineering to deliver performance components built for demanding BMW M applications.
Returns
Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. All items are subject to 15% restocking fee from the manufacturer.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Additional non-returnable items:
Gift cards
Downloadable software products
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted (if applicable)
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
If you would like to start a return please click here
Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at info@amtuning.ca.
Sale items (if applicable)
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Exchanges (if applicable)
To start an exchange, click here
Non-refundable items
The following items are non-refundable and non-returnable once purchased: oils, fuel or oil additives, filters, tuning cables, OBDeleven products, Braum seats, spark plugs, coil packs, and similar consumable, wheel spacers, wheels bolts, license plate brackets, electronic tuning components and any other product subject to discretion of AM Tuning Canada.
Other products from brands such as MHD, Bootmod3, Ecutek, Braum racing, Novitec are also non-refundable and non-returnable.
All sales of these items are final and are subject to the policies and discretion of AM Tuning. By completing a purchase, the customer acknowledges and agrees to these terms.
