BMW 840I B58 DOWNPIPE SPORT CATS / DE-CAT ASM PERFORMANCE
£394.28 – £602.29
The ASM PERFORMANCE exhaust sections for the B58 engines are meticulously engineered to improve your vehicle sound.
Warranty/Shipping/Returns
Warranty
All ASM Tuning products come with a 8 month – lifetime warranty, unless otherwise stated in the product description. View the full warranty information here
Shipping
- All orders placed before 8 pm are dispatched on the same day.
- Delivery in the UK is completely free on all products
- Worldwide delivery is offered on all products
Returns
At ASM Tuning We take great care in designing our returns policy to ensure that the process is hassle-free and convenient for you. If for any reason you are not 100% satisfied with your purchase you can return the goods for a full refund or exchange. Please visit our returns page and let us know within 30 days of your purchase
Fitting
All of our products come with fitting kits where applicable.We highly recommend professional installations are completed by a professional to ensure the product is fitted correctlyÂ
Pre-orders
In-stock items will be dispatched same-day. If the item is out of stock or made to backorder, we will contact you within 24 hours and allow you to cancel or to process your order with a lead time of around 2-6 weeks.Â
BMW 840I B58 DOWNPIPE SPORT CATS / DE-CAT ASM PERFORMANCE
The ASM PERFORMANCE exhaust sections for the B58 engines are meticulously engineered to improve your vehicle sound, delivering the ultimate driving experience.
Our downpipes come equipped with a heat shield to contain heat and unleash the full power of your car during high-speed accelerations.
Our sports exhaust selection is fully backed with a lifetime warranty, ensuring quality assurance.
FEATURES
Substantial power increase
Specially designed smooth transition for optimized flow
Improved spool up speed and throttle response
Extended turbo lifespan
Lowering under hood temperature
Enhanced performance sound
100% Easy and secure bolt-on installation
Fully tig welded and back purged crafting
Top-tier 304L stainless steel with a 2.00mm thick wall
Compliant with both LHD and RHD vehicles
Backed by a lifetime warranty
These will fit the following models
BMW G20/21 M340i 3.0L 285KW/374PS 2019 OPF Model
BMW G22 440i 3.0L 285KW/387PS 2019 OPF Model
BMW G30/31 540i 3.0L 250KW/340PS 2018 OPF Model
BMW G32 640i 3.0L 250KW/340PS 2018 OPF Model
BMW G11/12 740i 3.0L 240KW/326PS 2019 OPF Model
BMW G14/15/16 840i 3.0L 250KW/340PS 2019 OPF Model
BMW Z4 G29 M40i 3.0L 250KW/340PS 2019 OPF Model
Toyota Supra MK5 A90 GR 3.0L 250KW/340PS 2019 OPF ModelÂ
The de-cat exhaust version is available for motorsport and off-road use exclusively worldwide.
FAQ
If you have any questions, chances are you will find the answers below.
CAN I FINANCE MY ORDER?
At ASM, we do offer various financing options, allowing you to choose the one that best suits your needs. These payment options, including AfterPay, are available at checkout, provided you meet the eligibility criteria.
AM I CHARGED VAT?
In the United Kingdom, the pricing of our products includes a 20% VAT.
For international customers, VAT is not included at the time of checkout. This is because when your order is delivered to your country, your local government will impose import duties or taxes separately.
DO YOU SHIP WORLDWIDE?
Absolutely! We offer shipping throughout worldwide, and shipping costs will be displayed at the checkout page.
HOW LONG IT WILL TAKE TO ARRIVE?
For mainland UK deliveries, it usually takes between 2-5 working days from the moment we dispatch your order. International and UK Non-Mainland deliveries may take longer.
WILL THESE PRODUCTS EFFECT MY VEHICLE WARRANTY?
Modifications made to your vehicle may have an impact on the manufacturer warranty.
While ASM can offer advice, we cannot guarantee whether a product will or will not affect your vehicle warranty. It is strongly recommended to consult with your dealer and finance provider before purchasing and installing any parts. If you have any additional questions, please feel free to contact our team through the Live Chat or by sending an email to team@asmtuning.co.uk
CAN I FINANCE MY ORDER?
At ASM, we do offer various financing options, allowing you to choose the one that best suits your needs. These payment options, including AfterPay, are available at checkout, provided you meet the eligibility criteria.
AM I CHARGED VAT?
In the United Kingdom, the pricing of our products includes a 20% VAT.
For international customers, VAT is not included at the time of checkout. This is because when your order is delivered to your country, your local government will impose import duties or taxes separately.
DO YOU SHIP WORLDWIDE?
Absolutely! We offer shipping throughout worldwide, and shipping costs will be displayed at the checkout page.
HOW LONG IT WILL TAKE TO ARRIVE?
For mainland UK deliveries, it usually takes between 2-5 working days from the moment we dispatch your order. International and UK Non-Mainland deliveries may take longer.
WILL THESE PRODUCTS EFFECT MY VECHILE WARRANTY?
Modifications made to your vehicle may have an impact on the manufacturer warranty.
While ASM can offer advice, we cannot guarantee whether a product will or will not affect your vehicle warranty. It is strongly recommended to consult with your dealer and finance provider before purchasing and installing any parts. If you have any additional questions, please feel free to contact our team through the Live Chat or by sending an email to team@asmtuning.co.uk.
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