- Description
- Fitment
- Refund Policy
MAD BMW G90/G99 M5 — H-Pipe Midpipe
Introducing the MAD H-Pipe Midpipe for the BMW G90/G99 M5, engineered to unlock the true sound of BMW's twin-turbo V8 while maintaining the refined character expected from a modern M car.
The factory midpipe heavily suppresses the exhaust note, leaving the S68 sounding quieter and more muted than it should. The MAD H-Pipe changes that by allowing both exhaust banks to communicate through a precision-engineered balance section, creating a deeper, fuller, and more aggressive tone without introducing unwanted rasp or excessive cabin drone.
Unlike a single midpipe, the H-pipe preserves the classic dual-exhaust layout while enhancing the natural V8 rumble. The result is a richer exhaust note with improved low-end presence, stronger acceleration sound, and a more refined overall character that's perfect for both daily driving and spirited performance.
Whether paired with the factory axle-back or the MAD axle-back, the MAD H-Pipe delivers a significant improvement in sound while maintaining excellent drivability.
Key Features
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Designed specifically for the BMW G90/G99 M5
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Classic H-pipe design enhances the natural V8 exhaust note
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Deeper, fuller, and more aggressive sound
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Increased low-frequency tone without excessive volume
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Virtually zero drone during highway cruising
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Smooth, refined exhaust note with authentic V8 character
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Constructed from high-quality T304 stainless steel
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Compatible with both the OEM axle-back and MAD axle-back
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Direct fit to the MAD axle-back with no tuning required
Note: If connecting to the OEM axle-back, cutting is required.
Fitment
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BMW G90 M5
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BMW G99 M5 Touring
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.
