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Signature Valved Exhaust System – Porsche 911 991.1 GT3 / GT3 RS

Signature Valved Exhaust System – Porsche 911 991.1 GT3 / GT3 RS

SKU: P9-991-1-GT3-SIGHEXH-VAL-SS

$3,699.99
$3,699.99 $3,799.99
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Key Features

  • Valved Exhaust System: Adjustable sound control.
  • High-Performance Design: Optimized for NA engine characteristics.
  • Weight Reduction: Lighter than factory exhaust system.
  • Precision Fitment: Designed for 991.1 GT3 platform.
  • Enhanced Sound Profile: More aggressive and refined tone.
  • 1 Year Warranty: Ensures durability and performance.

Description

  • Race-Inspired Sound Profile: This is not just an exhaust system — it transforms the GT3’s naturally aspirated engine into a sharper, more aggressive and high-revving iconic sound experience.
  • Valved Performance Control: Integrated valve system allows switching between refined street driving and full track-level exhaust note.
  • Designed for GT3 Platform: Engineered specifically for Porsche 911 991.1 GT3 and GT3 RS models for precise fitment.
  • Optimized Exhaust Flow: Improves exhaust flow efficiency while maintaining proper back pressure for naturally aspirated performance.
  • Lightweight Construction: Reduces overall system weight compared to factory components.
  • Precision Engineering: Designed to align seamlessly with factory mounting points.
  • Enhanced Driving Experience: Delivers a more engaging and responsive exhaust character across the rev range.
  • Professional installation is recommended for best alignment and performance.

A performance-focused exhaust upgrade that brings out the true character of the GT3’s naturally aspirated engine.

Fitment Note: Designed for Porsche 911 991.1 GT3 and GT3 RS models. This system replaces the rear exhaust section and integrates with the factory header and mid-pipe configuration.

COMPATIBILITY

Year Make Model Note
2014 - 2016 Porsche 911 GT3 991.1
2016 - 2016 Porsche 911 GT3 RS 991.1

INCLUDED ITEMS

  • Signature Valved Exhaust System x 1
  • Necessary Installation Hardware x 1

INSTALLATION RECOMMENDATION

FOR BEST RESULTS, WE RECOMMEND PROFESSIONAL INSTALLATION TO HELP ACHIEVE PRECISE ALIGNMENT AND A CLEAN, SECURE FIT.

Guaranteed Fitment

Guaranteed Fitment

Precision-engineered specifically for BMW models. Fitment guarantee applies with professional installation

Responsive Customer Support

Responsive Customer Support

Our support team is available Monday–Friday, 9:00 AM–5:00 PM (PST). Contact us anytime at support@project9motorsport.com

Secure & Trusted Checkout

Secure & Trusted Checkout

Checkout is fully encrypted and PCI-compliant. We accept major credit cards, Apple Pay, Affirm, and more.

Manufacturer Warranty Included

Manufacturer Warranty Included

Every product includes a manufacturer warranty for added confidence and peace of mind.

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