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The Signature Carbon Kit Builder lets you create a custom exterior carbon package for your G8X M3/M4. Choose exactly which components you want and build a setup that matches your style, whether you’re adding a few key pieces or completing the entire exterior.

Every component is crafted from genuine dry carbon fiber for a lightweight, high-performance finish designed to complement the vehicle’s factory lines.

Build Your Kit With

• Carbon Front Lip — MP, V, R44, or CSL Style
• Carbon Grille — V, ST, or CSL Style
• Carbon Front Inlets — MP or R44
• Carbon Mirror Caps
• Carbon Fender Trim
• Carbon Trunk Spoiler — OEM, MP, CS, PSM or PRO Style
• Carbon Diffuser — OEM or AK-Style
• Carbon Side Skirts — OEM or MP-Style
• Carbon Hood
• Carbon Fenders
• Additional Carbon Accessories

Mix and match the parts you want to create a completely personalized carbon package for your G8X M3/M4.

Fully customizable • Build it your way • Genuine dry carbon fiber

Fully customizable • Built to order • Starting price shown

Make the interior of your G8X truly your own with a fully custom carbon fiber steering wheel. Built to your preferred specification, it combines genuine carbon fiber detailing with premium materials and a performance-inspired design to create a unique centerpiece for the cabin.

• Genuine carbon fiber construction
• Fully customizable trim, stitching, and finish
• Premium interior materials and craftsmanship
• Performance-inspired styling
• Built to order
• Configured to your preferred specification

From the carbon fiber finish to the stitching and trim, every detail can be tailored to your vision. A personalized interior upgrade designed to bring a high-end motorsport feel directly into the driver’s seat.

Give your G8X M3/M4 a lower and more aggressive front-end appearance with a 1-piece R44-style carbon fiber front lip. Designed to extend the factory bumper lines, it adds visual depth while maintaining a clean and cohesive overall design.

• Genuine carbon fiber construction
• 1-piece R44-style design
• OEM-style fitment
• UV-protective clear coat
• Lightweight and durable finish

A performance-inspired front-end upgrade featuring a 1-piece design for a sharper, more aggressive stance.

Take your G8X valved exhaust system to the next level with a catback exhaust engineered to free up the S58 soundtrack and reduce back pressure compared to the restrictive factory system. Available in titanium or 304 stainless steel, it combines premium construction with a lightweight, motorsport-inspired design for improved flow and a more aggressive exhaust character.

• Titanium or 304 stainless steel construction
• Valved for switchable street/track sound
• Direct catback fitment — no modification required
• Aggressive exhaust design for a deeper, more pronounced tone
• Mandrel-bent piping for optimal flow

A premium catback upgrade designed to unlock a more aggressive S58 sound while improving exhaust flow and delivering a true motorsport-inspired feel.

Give the front end of your 2020–2024 Audi R8 a more aggressive presence with a C-style dry carbon fiber front lip. Designed to sharpen the factory bumper lines, it creates a lower and more performance-focused front profile.

• Fits 2020–2024 Audi R8
• Genuine dry carbon fiber construction
• C-style design
• OEM-style fitment
• UV-protective clear coat
• Lightweight and durable finish

A premium front-end upgrade that complements the R8’s exotic styling with a more pronounced performance aesthetic.

Enhance the rear profile of your 2020–2024 Audi R8 with a C-style dry carbon fiber diffuser. Designed to replace the lower factory section, its aggressive C-style design adds greater definition and a more pronounced motorsport-inspired appearance.

• Fits 2020–2024 Audi R8
• Genuine dry carbon fiber construction
• C-style design
• Aggressive rear profile
• OEM-style fitment
• UV-protective clear coat
• Lightweight and durable finish

A premium rear upgrade that gives the Audi R8 a sharper and more performance-focused appearance.

Enhance the front-end styling of your G8X M3/M4 with a 3-piece MP-style carbon fiber front lip. Designed to complement the factory bumper, it adds a motorsport-inspired detail while maintaining the clean lines and proportions of the vehicle.

• Genuine carbon fiber construction
• 3-piece MP-style design
• OEM-style fitment
• UV-protective clear coat
• Lightweight and durable finish

A clean and aggressive front-end upgrade featuring a 3-piece design for a premium OEM+ appearance.

Enhance the sound of your 2023+ Porsche 992 GT3 RS with an RSR-style valved exhaust system built from stainless steel. Designed around the naturally aspirated flat-six, it delivers a more aggressive motorsport-derived soundtrack while retaining on-demand valve control for a more versatile driving experience.

• Fits 2023+ Porsche 992 GT3 RS
• Valved for switchable street/track sound
• Titanium and Stainless steel construction
• RSR-inspired exhaust design
• Improved exhaust flow
• Available as a full system or catback only
• OEM-style fitment

A premium exhaust upgrade that brings out the raw character of the GT3 RS while giving you greater control over its sound.

Available Options:

• Headers + Catback
• Catback Only
• Headers Only