Stage 4 Tuning
RSI c6 carbon fiber bodywork handcrafted in Italy
A new Italian partnership

RSI c6 ×Stage 4 Tuning

A complete autoclave-cured carbon fiber body kit for the Porsche 911 992 GT3 RS, designed, produced, and finished by hand in Italy.

View the GT3 RS kit →The craft
1 complete kitPorsche 911 · 992 GT3 RSPre-preg carbon · gloss or matteMade in Italy
I · The approved kit

One complete kit. Every critical surface.

Built specifically for the 2023-present Porsche 911 992 GT3 RS and offered in gloss or matte woven carbon.

Porsche carbon fiber parts by RSI c6
01 · 1 complete kit

Porsche

$58,335.00
→
II · What it is

Ten pieces. One cohesive package.

Front, side, roof, wing, intake, and diffuser components engineered as a complete GT3 RS transformation.

01Complete package

Body Kit

Porsche →
III · Why RSI c6

Italian craft. Motorsport process.

01

Autoclave pre-preg

Motorsport-grade carbon cured under controlled heat and pressure for crisp fitment, strength, and low weight.

02

Made to order in Italy

Each piece is designed, produced, trimmed, and hand-finished by RSI c6 for your selected specification.

03

Gloss or matte carbon

Specify the complete kit in classic woven carbon with either a deep gloss or understated matte finish.

04

Direct partnership

Stage 4 Tuning connects you directly to RSI c6 craft with US-side product guidance and ordering support.

“Designed, produced, and finished in Italy—specified for your car.”

View the GT3 RS kit →