- Description
- Fitment
- Refund Policy
MV TEKNIK Catless Downpipe for BMW B58 – F & G Chassis
Unlock the sound and performance potential of your BMW B58 with the MV TEKNIK Catless Downpipe, engineered for enthusiasts looking for maximum exhaust flow, reduced restriction, and a significantly more aggressive exhaust note.
Designed for select B58-powered BMW F and G chassis models, the MV TEKNIK Catless Downpipe eliminates the restrictive factory catalytic converter, allowing exhaust gases to flow more freely from the turbocharger. Reduced backpressure helps improve turbo response and supports increased performance when paired with the appropriate ECU tuning.
Manufactured from premium stainless steel, each downpipe features precision fabrication, high-quality TIG welds, reinforced mounting points, and an integrated flex section for durability and proper fitment. Signature MV TEKNIK laser-etched branding completes the premium finish.
From tuned daily drivers to higher-powered B58 builds, the MV TEKNIK Catless Downpipe is Engineered to Perform.
Features
- Catless performance downpipe
- Engineered for BMW B58 applications
- Maximum-flow design with no catalytic converter
- Premium stainless steel construction
- Precision TIG-welded fabrication
- Integrated flex section
- Reduces factory exhaust restriction and backpressure
- Improves exhaust flow and turbo response
- Significantly more aggressive exhaust sound
- Ideal for tuned B58 applications
- Suitable for stock and upgraded turbo setups
- Direct-fit design
- MV TEKNIK laser-etched branding
Vehicle Fitment
BMW B58 – Select F & G Chassis Applications
Compatible with select B58-powered BMW models across the F-Series and G-Series platforms.
Please verify your vehicle's year, model, engine, and downpipe configuration before ordering. B58 downpipe fitment varies between chassis and engine generations.
Important Notice
This product removes the factory catalytic converter 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 serious European performance 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.
