- Description
- Fitment
- Refund Policy
Upgrade from the stock B46 downpipe to the MAD B46 catted downpipe for maximum airflow, power, and sound.
The MAD BMW B46 catted downpipe is the perfect upgrade for getting more performance and a cleaner exhaust tone while keeping your setup street-friendly. The built-in high-flow catalytic converter reduces restriction compared to the factory cat, allowing your turbo to spool quicker and push more power. At the same time, it helps maintain drivability.
On a tuned BMW B46 with the stock turbo, you can expect gains of up to 30 horsepower, with even more on upgraded turbo setups.
The flex section helps reduce stress from engine movement and heat cycles, making it a long-lasting, reliable upgrade.
This downpipe is designed specifically for U.S. B46 models and is not compatible with vehicles equipped with OPF.
Features
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High-flow catalytic converter
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Compatible with right-hand drive and left-hand drive vehicles
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Smooth mandrel bends for maximum flow and no drone
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Up to 30HP gain on stock turbos, more with upgraded setups
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Flex section for added durability
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Direct bolt-on fitment
Fitment
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2016 and up BMW 120i and 125i
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2016 and up BMW 220i and 230i
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2016 and up BMW 320i, 330e, 330i (F chassis and G chassis)
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2016 and up BMW 420i and 430i
Note:
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U.S. model fitment only (B46 engines)
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Not compatible with vehicles equipped with OPF
SKU: MAD-132
Disclaimer:
This product is intended for off-road or racing use only. It is not certified for use on public roads and may not comply with local regulations. Please check your local laws before installing.
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
