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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW X Series G07 X7 (2019+)

Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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Bav Auto Oxygen Sensor Tool - Angled Handle - 7/8"

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:580382

Part#: B8800066

Ships on Aug 10, 2026

Sale - Save 25% $ 49.99

This product was last offered at the strikethrough price on
05-03-2026

$ 37.49 USD

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Sale - Save 25%

$ 49.99

This product was last offered at the strikethrough price on
05-03-2026

$ 37.49 USD

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Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. Fits all Oxygen sensors with 7/8in (22mm) hex.

Bav Auto Extra Long Oxygen Sensor Tool - 1/2" Drive, 7/8" x 6" ...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:580383

Part#: B8800067

Ships on Aug 10, 2026

Sale - Save 20% $ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD

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Sale - Save 20%

$ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD

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This 1/2" Drive, 7/8" x 6" Extra Long O2 sensor tool is used to remove difficult to reach oxygen sensors.

Bav Auto Exhaust Doughnut Stretcher

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:580373

Part#: B8800051

In Stock

Sale - Save 25% $ 20.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.74 USD

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Sale - Save 25%

$ 20.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.74 USD

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This tool is not vehicle specific and is a universal tool that may or may not work on all applications. This exhaust doughnut stretcher features an offset J-hook to grab onto the rubber rings used to mount most BMW exhaust systems. Features a large coated handle for a comfortable grip.

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Active Autowerke AFlow Catted Downpipe - B58N G06/G06/G07

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 2024+ Models -- Please call in with vin prior to purchase

T#:51426482

Part#: 11-062NA

Ships in 10 Business Days

$ 1,519.00 USD

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$ 1,519.00 USD

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Active Autowerke brings motorsport technology to street-legal applications with the B58N Aflow Catted Downpipe. This system features a high-efficiency 400 Cell Per Square Inch (CPSI) Active Aflow catalytic converter that is EPA registered and 49-state legal. By utilizing proprietary precious metal loading, this catalyst reaches operational efficiency within just 9 seconds of startup, ensuring the vehicle remains fully OBD2 compliant. The furnace-brazed stainless steel substrate ensures extreme durability under high-boost conditions. This downpipe provides the flow characteristics of a race pipe while effectively neutralizing harmful emissions and odors, protecting both the environment and the vehicle's passengers. Key Features Active AFlow High-Flow Catalyst: 400 CPSI substrate designed to provide maximum flow while maintaining EPA compliance. Rapid Light-Off Time: Reaches operational efficiency within 9 seconds, ensuring OBD2 readiness monitors remain active. Forced Induction Optimized: Specifically engineered for high-boost applications with zero loss in horsepower. Extreme Heat Resistance: Built to withstand internal exhaust gas temperatures (EGTs) up to 1500°F. Durable Construction: Substrate is furnace-brazed to the mantle, preventing the internal core from shifting or breaking under heavy vibration. Specifications Vehicle Fitment: 2025+ BMW B58N Models (X3-40i, X3-M50i, X5-40i, X7-40i, 540i, 640i, 740i). Cell Density: 400 Cells Per Square Inch (CPSI). Catalyst Material: 304 Stainless Steel Substrate. Compliance: EPA Registered / 49-State Legal (Not CARB registered for California). Warranty: 5-Year/50,000-Mile on shell/ends; 2-Year/25,000-Mile on the catalytic core (Warranty void with "burble" tunes).

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Active Autowerke GESI Catted Downpipe - B58N

For Model Years 2024+

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Model Years 2024+ - Please call in with vin prior to purchase

T#:51320821

Part#: 11-062N

Ships in 10 Business Days

$ 1,899.00 USD

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$ 1,899.00 USD

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For the owner of a late-model BMW who demands a balance of high-end performance and sophisticated daily drivability, Active Autowerke offers the B58N Gen-3 GESI Catted Downpipe. Built with a focus on long-term reliability and environmental standard compliance, this downpipe features an EPA-registered GESI G-Sport catalytic converter. These 400-cell metallic substrates are furnace-braised to the mantle, offering outstanding resistance to thermal shock and vibration. The industrial-grade 304 stainless steel construction ensures the downpipe will withstand years of heat cycles without degrading. This system is a true "plug-and-play" solution that enhances the B58's deep, throaty exhaust note while keeping emissions levels in check and the dashboard clear of errors. Key Features: 49-State Legal: Features an EPA-registered catalyst that is fully OBD2 compliant (excludes vehicles registered in CA). Superior Durability: Constructed entirely from heavy-duty 304 stainless steel with a brushed finish. Proprietary Catalyst Loading: Precious metal technology ensures the reduction of harmful emissions and eliminates raw fuel odors. OEM+ Fitment: Meticulously test-fitted on a dedicated fixture to guarantee a perfect seal with factory turbo and exhaust connections. Comprehensive Kit: Available with an optional turbo flange gasket to ensure a fresh, leak-free installation. Specifications: Type: Signature Series Valved GESI Catted Downpipe. SKU: 11-062N. Catalyst Rating: Rated for high-output applications while maintaining operational efficiency. Hardware: Includes lower mounting brackets and necessary flex section. Vehicle Fitment (US Models Only): * 2025+ BMW X3 40i / X3-M50i (G45) 2025+ BMW X5 40i (G05 LCI) / X7 40i (G07 LCI) 2025+ BMW 540i (G60) / 740i (G70)

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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW X Series G07 X7 (2019+)

Sub-Categories

Bav Auto Oxygen Sensor Tool - Angled Handle - 7/8"

Bav Auto Extra Long Oxygen Sensor Tool - 1/2" Drive, 7/8" x 6" ...

Bav Auto Exhaust Doughnut Stretcher

Active Autowerke AFlow Catted Downpipe - B58N G06/G06/G07

Active Autowerke GESI Catted Downpipe - B58N

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