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A1 diffuser around the quad exhaust tips - Carbon Fiber Rear Diffuser for the 2019-2026 AMG GT 63 4-Door Coupe

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Rear of the AMG GT 4-Door car with the A1 diffuser and wing - Carbon Fiber Rear Diffuser for the 2019-2026 AMG GT 63 4-Door Coupe

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RennTech carbon rear diffuser for the X290 GT 63 on the car - Carbon Fiber Rear Diffuser for the 2019-2026 AMG GT 63 4-Door Coupe

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A1 carbon rear diffuser close up on the car - Carbon Fiber Rear Diffuser for the 2019-2026 AMG GT 63 4-Door Coupe

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RennTech Carbon Fiber Rear Diffuser 2019-2026 GT 63 4-Door Coupe

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Brand: RennTechSKU / Part #: 88.290.20.80

Regular price: $3,860.60
Regular price: ~~$3,980.00~~
Sale price: $3,860.60
Unit price: per

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Subtotal: $3,860.60

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RennTech Carbon Fiber Rear Diffuser 2019-2026 GT 63 4-Door Coupe

Subtotal: $3,860.60

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Overview

RennTech's Carbon Fiber Rear Diffuser for the 2019-2026 AMG GT 63 4-Door Coupe is made from pre-preg carbon fiber, the aerospace-grade process with tight control of resin content, weight and thickness. It is designed in-house to match the lines of the car and to fit without modifying the bodywork.

Key details

Made entirely of pre-preg carbon as part of RennTech's GT 63 aero program, this diffuser is designed and tested in Stuart, FL, built in Germany and refined through repeated CAD revisions for factory-quality fit.

Features

Pre-preg carbon fiber for consistent weight, thickness and strength
High-gloss UV-protective clear coat
Designed in-house to follow the car's factory lines
No cutting or modification to the bodywork

Specs

Part number	88.290.20.80
Engine	4.0L M177 twin-turbo V8
Shipping weight	15 lb

Fitment notes

Fitment is as listed by RennTech for this part number.

Fitment

Make	Model	Chassis	Year	Engine
Mercedes-Benz	AMG GT 63 4-Door Coupe	X290	2019-2026	4.0L M177 twin-turbo V8

Fitment

Year	Make	Model
2019–2026	Mercedes-Benz	AMG GT 63

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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