Milltek OPF Back Exhaust - BMW F93 M8 Gran Coupe LCI 2021-2025

QT Parts is a Finnish online store.

Our warehouse is located in Nokia, Finland.

You can collect your order directly from us if needed. Simply select “Pickup” at checkout.

Pay securely with multiple payment methods, including invoice and installment plans through Klarna.

The delivery time for products in stock is 1-5 business days. We ship worldwide.

If the product is not in stock and it is a pre order product, the average delivery time is 5-21 business days. If the product has a longer delivery time than previously announced, we will be in touch. International orders may be subject to VAT, import duties, and customs fees upon arrival in the destination country.

Terms for product returns:

• You must return the ordered products within 14 days of receiving
• The products must be unused and without damages
• Commission fee for handling returns is 21,90€
• For product returns, the customer is in charge of the return costs. Only door to door service (Express)
• Shipping costs are not refunded

For international orders sales are final and non-refundable. Once an order is placed, it cannot be canceled or returned. By placing an order, you acknowledge and agree to these terms.

Return address: QT Parts, Vasarakatu 8B, 37150 Nokia, Finland.

Pre order / made-to-order products

If the product you have ordered is a pre order or made-to-order item, it is not subject to the 14-day right of withdrawal or return under consumer protection laws, as the product is manufactured or sourced specifically based on the customer’s individual order.

If you wish to cancel your order before receiving the product, we will refund 50% of the total order amount.

This condition applies to the following product categories:

• Suspension
• Engine Tuning
• Engine Parts
• Exhaust Systems
• Fueling
• Turbochargers/superchargers
• Drivetrain
• ECE-approved Downpipes

All of the above products are manufactured or sourced individually based on the customer’s order, and therefore cannot be returned after delivery, unless the product has a manufacturing or material defect.

In the event of such a defect, the standard liability for defects as provided by consumer protection legislation shall apply.

The Milltek Sport Particulate Filter-back exhaust system is designed for BMW 8 Series F93 Gran Coupé models with the powerful 4.4 Twin Turbo V8 (S63) engine and factory-fitted OPF/GPF particulate filter . This solution replaces the section of the exhaust system after the particulate filter , improving exhaust flow and opening up the sound character for a sportier sound, while keeping the original particulate filter in place.

The Particulate Filter-back solution delivers a deeper, more dynamic and refined V8 sound and improves exhaust flow without compromising daily drivability or emissions system performance.

Deeper and sportier V8 sound

Milltek has designed this exhaust system specifically for OPF/GPF equipped F93 M8 models:

• Richer and fuller V8 sound at idle

• More powerful and dynamic sound during acceleration

• Controlled yet sporty sound even at high revs

• No annoying resonance or drone even over long distances

The sound system complements the performance of the S63 engine and makes the driving experience enjoyable, balanced and sporty.

Improved exhaust flow and response

Particulate Filter-back exhaust system:

• reduces exhaust back pressure after the particulate filter

• supports engine throttle response sensitivity

• improves exhaust gas flow efficiency throughout the rev range

• Keeps the original emission system components intact

This design combines refined sound and performance-enhancing flow without compromise for everyday riding.

Easy bolt-on installation

• to fit directly into the car's original mounting points

• to work seamlessly with the F93 chassis and drivetrain

• for installation without welding or permanent structural changes

OEM-level fit and finish ensure a clean and unobtrusive finish.

304L Aircraft Grade Stainless Steel

The system is made of high quality 304L grade stainless steel , which provides:

• excellent corrosion and heat resistance

• long-lasting structure and flow-optimized internal design

• carefully finished TIG welds

The material and workmanship meet Milltek's strict premium standards.

Fit

• BMW M8 Gran Coupe (F93)

• BMW M8 Competition Gran Coupé (F93)

Engine: 4.4 Twin Turbo V8 (S63)
Only for OPF/GPF equipped cars
Model years 2021–2025