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

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

SKU: P9-991-1-GT3-HEXH-VAL-SS-R-SS-BS-GCF

$3,499.99
$3,499.99 $3,799.99
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Key Features

  • Valved Exhaust System: Adjustable sound control for street and track driving.
  • Available in Stainless Steel or Titanium: Multiple material configurations available.
  • Optimized for Naturally Aspirated Engines: Tuned specifically for the 4.0L GT3 platform.
  • Lightweight Construction: Reduces system weight compared to factory exhaust components.
  • Enhanced Exhaust Tone: Sharper and more emotional naturally aspirated sound.
  • 1 Year Warranty: Ensures durability and finish quality.

Description

  • Inspired by Porsche Motorsport Heritage: This is not just an exhaust system — it brings back the raw, high-revving character that defines Porsche’s naturally aspirated GT lineage.
  • Valved Exhaust Control: Integrated valve technology allows seamless transition between refined street driving and a sharper motorsport-inspired exhaust note.
  • Designed for the 991.1 GT Platform: Engineered specifically for Porsche 911 991.1 GT3 and GT3 RS models for precise fitment and factory-level integration.
  • Optimized Exhaust Flow: Improves exhaust efficiency while preserving the naturally aspirated response and emotional high-RPM sound signature of the GT3 platform.
  • Lightweight Performance Construction: Available in stainless steel or titanium configurations for reduced system weight and enhanced acoustic resonance.
  • Refined Analog Character: Delivers a cleaner, sharper and more mechanical tone reminiscent of Porsche’s iconic GT-era motorsport cars.
  • OEM Fitment Integration: Designed to align with factory mounting locations for seamless installation.
  • Professional installation is recommended for best alignment and performance.

A motorsport-inspired exhaust system engineered to celebrate the naturally aspirated heritage of Porsche’s GT platform.

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

COMPATIBILITY

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

INCLUDED ITEMS

  • Heritage 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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