What does the Dinan F80 M3 High Flow X-Pipe fit?

The Dinan F80 M3 High Flow X-Pipe fits the F80 BMW M3 and F82 M4 (2015-2020) with the S55 twin-turbo inline-six. It is a direct bolt-on to the factory mounting points for the section it replaces.

The Dinan F80 M3 High Flow X-Pipe uses mandrel-bent 2.75 in tubing to cut restriction versus the factory section, improving exhaust flow and letting more sound through. On turbocharged engines this can reduce backpressure for a small power gain.

The Dinan F80 M3 High Flow X-Pipe is made from 100% T304 stainless steel and TIG-welded, so it resists corrosion and holds up to exhaust heat. Mandrel bends keep the tubing's full diameter through each curve for smoother flow.

Do I need other parts?

The Dinan F80 M3 High Flow X-Pipe replaces the mid-section of the exhaust and pairs with a Dinan axle-back or the factory rear section. Confirm your existing exhaust setup so the connections match before installing.

Is installation difficult?

No. The Dinan F80 M3 High Flow X-Pipe is a bolt-on installation using the factory mounting points, with no cutting or welding required. Mounting hardware is included to complete the swap.

Description

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Description

Dinan High Flow X-Pipe 2.75in for F80 BMW M3 and F82 M4

The Dinan F80 M3 High Flow X-Pipe is a T304 stainless steel high flow X-pipe for the F80 BMW M3 and F82 M4 and their S55 twin-turbo inline-six. It replaces the restrictive factory section with mandrel-bent 2.75 in tubing to improve exhaust flow and free up sound, and it is TIG-welded for a clean, durable finish. The crossover design evens exhaust pulses between both banks for a smoother, fuller tone. 2.75 in stainless steel.

Features

Includes X-pipe crossover made from mandrel bent tubing for minimum restriction, unlike stamped X-pipes
Stock hydro-formed 65mm tubing is replaced by 2.75″ (70mm) mandrel-bent tubing for free flow.
Deletes both resonators, between catalyst and rear muffler.
100% 304 stainless steel construction.
Includes mounting hardware.
Bolt-on installation.

Specifications

Material: T304 stainless steel
Diameter: 2.75 in
Type: high flow X-pipe
Engine: 3.0L Twin-Turbo I6 S55
Fitment: direct bolt-on to factory mounting points

Applications

BMW M3: F80 | 2015-2018 | 3.0L Twin-Turbo I6 S55
BMW M4: F82 | 2015-2020 | 3.0L Twin-Turbo I6 S55

Frequently Asked Questions

What does the Dinan F80 M3 High Flow X-Pipe fit? The Dinan F80 M3 High Flow X-Pipe fits the F80 BMW M3 and F82 M4 (2015-2020) with the S55 twin-turbo inline-six. It is a direct bolt-on to the factory mounting points for the section it replaces.
How does it help? The Dinan F80 M3 High Flow X-Pipe uses mandrel-bent 2.75 in tubing to cut restriction versus the factory section, improving exhaust flow and letting more sound through. On turbocharged engines this can reduce backpressure for a small power gain.
What is it made of? The Dinan F80 M3 High Flow X-Pipe is made from 100% T304 stainless steel and TIG-welded, so it resists corrosion and holds up to exhaust heat. Mandrel bends keep the tubing’s full diameter through each curve for smoother flow.
Do I need other parts? The Dinan F80 M3 High Flow X-Pipe replaces the mid-section of the exhaust and pairs with a Dinan axle-back or the factory rear section. Confirm your existing exhaust setup so the connections match before installing.
Is installation difficult? No. The Dinan F80 M3 High Flow X-Pipe is a bolt-on installation using the factory mounting points, with no cutting or welding required. Mounting hardware is included to complete the swap.

About Dinan

Founded in 1979, Dinan is North America’s leading BMW tuner, developing, manufacturing, and marketing a full line of high-performance products for BMW, MINI, and Mercedes-Benz. Dinan works through a nationwide network of Authorized Dinan Performance Centers, including select BMW dealerships and independent BMW service and performance shops. The company’s warranty program, introduced in 1996 with BMW of North America’s cooperation, matches BMW’s new car warranty and covers Dinan enhancements and the vehicle itself for up to 4 years or 50,000 miles. That coverage lets BMW owners add real performance without risking their factory warranty. Automotive publications have tested Dinan-enhanced BMWs against some of the world’s most exotic sports cars for three decades, and the results consistently hold up. Despite that performance, Dinan BMWs keep the reliability and everyday civility BMW owners expect. The product line spans engine, driveline, and chassis components across the full BMW lineup, covering acceleration, cornering, and stopping power. Every Authorized Dinan Performance Center can help build anything from a single upgrade to a complete Dinan BMW.

Additional Information

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Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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