
Cobra Sport - Quad Exit BMW 3-Series Touring (G21) Rear Panel Diffuser
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Description
Fits: Pre-LCI G21 Estate Models with M-Sport bodykit.
This lower rear diffuser panel fits G21 Touring models and attaches directly to the OEM fitting points of the M-Sport rear bumper.
Specifically designed to be fitted in conjunction with the Cobra Sport quad exit performance exhaust conversions for the BMW 3-series. This lower rear diffuser panel allows the conversion of the G21 models to a quad exit exhaust system and fits directly to the OEM fitting points of the M-Sport bumper for perfect fitment whilst also being extremely lightweight.
The diffuser panel is supplied with everything you need for easy fitment.
Please note: price includes the diffuser panel only and does not include the exhaust system, please see related items for further information about the Cobra Sport quad exit exhausts.
This item is excluded from distributor discounts.
Cobra Sport Exhausts are expertly manufactured to order, ensuring outstanding quality and precision. This dedication to high standards means a lead time of 12–15 working days, reflecting the care and craftsmanship that goes into every exhaust system.Warranty, Shipping and Returns
Warranty: Cobra Sport products are supplied with the applicable manufacturer warranty.
Shipping: We offer UK and worldwide shipping. Current lead-time information is shown above.
Returns: Tailor-made or personalised goods can have different cancellation rights; contact us if you need clarification before ordering.
Finance Options
Klarna payment options are available at checkout where eligible.
Why buy from us?
Why buy from us?
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Specifications
- Brand
- Cobra Sport
- Product type
- Rear Diffuser
- SKU:
- RP09
- Vehicle make
- BMW
- Vehicle model
- 3 Series
- Vehicle variant
- G20 and G21

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Need help?
Cobra Sport FAQs
Helpful answers before you order. Need more detail? Our team can help.
Which exhaust option fits my car?
Check the body style, engine, production year, emissions-filter configuration and connection points stated in the listing. Let us know about any existing exhaust changes so we can help check the correct combination.
Are all options suitable for the same use?
Options can differ in approval, noise level and intended use. Read the selected product specification and any restrictions in the description. Ask us to check the exact option if approval or event noise limits are important to you.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
What is included in the price?
Check the product description, selected option and stated quantity before ordering. Images may show optional equipment or an example installation. If you need a matching pair, a complete kit or additional hardware, ask us to confirm exactly what is included.
How do I get help before ordering?
Contact Nineteen72 Performance with a link to this product and your question. For vehicle-specific parts, include your model, year, engine and any modifications that may affect compatibility.
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