KYOSTAR Catless Downpipe for 2015-2020 BMW F80 M3 F82 F83 M4 F87 M2 Competition S55 3.0T

KYOSTAR Catless Downpipe for 2015-2020 BMW F80 M3 F82 F83 M4 F87 M2 Competition S55 3.0T

Product Overview

The KYOSTAR Catless Downpipe is designed for BMW S55 3.0T twin-turbo platforms to replace the restrictive factory catalytic converter section and improve exhaust flow. By reducing exhaust restriction and backpressure, this high-flow downpipe helps enhance turbo response, improve exhaust pulse flow, and deliver a more aggressive exhaust tone for BMW M enthusiasts seeking increased performance from their S55 engine.

Manufactured from high-quality stainless steel with precision TIG welding and factory-style mounting points, the KYOSTAR downpipe provides excellent durability under high-temperature conditions. Designed for direct bolt-on installation, it features factory-style O2 sensor locations and optimized exhaust routing for BMW F-Series M vehicles.

Product Highlights

• Improves exhaust flow and reduces backpressure to support better turbocharger efficiency

• Enhances turbo response and exhaust pulse flow on BMW S55 3.0T twin-turbo engines

• Constructed from durable stainless steel with precision welded joints for long-term reliability

• Direct bolt-on design using factory mounting locations for easier installation

• Creates a deeper and more aggressive exhaust tone compared with the factory system

Vehicle Fitment

• 2015-2020 BMW F80 M3 S55 3.0T

• 2015-2020 BMW F82 M4 S55 3.0T

• 2015-2020 BMW F83 M4 Convertible S55 3.0T

• 2018-2021 BMW F87 M2 Competition S55 3.0T

Note: This catless downpipe is intended for off-road/performance use only. Removing the catalytic converter may not comply with emissions regulations in certain states or regions.

Fitment Notes

• Designed specifically for BMW S55 3.0T twin-turbocharged engines.

• O2 sensor locations are positioned according to factory sensor placement.

• ECU tuning may be required to properly manage emissions-related warning lights after installation.

• Please verify vehicle year, chassis, and engine before ordering.

Product Details

FAQ

Q1: Will this fit my vehicle?
This downpipe fits BMW F80 M3, F82 F83 M4, and F87 M2 Competition models equipped with the S55 3.0T engine. Please confirm your vehicle chassis and engine before purchase.

Q2: Does installation require modification?
The KYOSTAR Catless Downpipe is designed as a direct replacement using factory mounting locations. Professional installation is recommended for proper fitment and sealing.

Q3: Will this affect engine warning lights or tuning?
Because this is a catless downpipe, ECU tuning may be required to properly manage emissions-related warning lights after installation.

Warranty & Shipping

KYOSTAR products are inspected before shipment to ensure quality and reliability. Each downpipe is securely packaged to prevent transportation damage. Please contact our support team if you need assistance with installation or product-related issues.