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.

SKU: ASMP58-3-1-2-1-1 Category:

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

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 correctly 

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. 

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 Model 

The de-cat exhaust version is available for motorsport and off-road use exclusively worldwide.

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FAQ

If you have any questions, chances are you will find the answers below.

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.

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.

Absolutely! We offer shipping throughout worldwide, and shipping costs will be displayed at the checkout page.

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.

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

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.

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.

Absolutely! We offer shipping throughout worldwide, and shipping costs will be displayed at the checkout page.

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.

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.