Invidia HS22WRXGM4SB R400 Single-Layer Black Tip Cat-Back for 22-25 Subaru WRX

Vehicle Fitment

• 2022-2025 Subaru WRX (VB chassis, AWD, 2.4L Turbo)

Features

• Gemini R400 high-flow cat-back exhaust system engineered for performance
• Mandrel-bent SUS304 stainless steel piping for optimized flow and strength
• Single-layer quad black tips for a bold, sporty aesthetic
• Four straight-through mufflers for a deep, aggressive exhaust tone
• Resonated mid-section reduces unwanted drone while improving sound quality
• Improves throttle response and back-pressure characteristics
• Direct bolt-on fitment using factory hangers and included hardware
• Durable TIG-welded construction for long-lasting performance

Specifications

• Part number: HS22WRXGM4SB
• Main piping diameter: ~76 mm (3")
• Material: SUS304 stainless steel
• Tip diameter: ~101 mm quad black tips
• Exit configuration: Quad outlets
• Muffler style: R400 tuned design

Included Components

• 1x Invidia Gemini R400 cat-back exhaust system (HS22WRXGM4SB)
• 1x Set of quad black stainless steel exhaust tips
• Installation hardware (gaskets, clamps, brackets)

Product Description

The Invidia HS22WRXGM4SB Gemini R400 Cat-Back Exhaust System is a premium performance upgrade designed for 2022-2025 Subaru WRX models. Built with mandrel-bent SUS304 stainless steel and tuned with a high-flow R400 muffler design, this cat-back exhaust significantly improves exhaust flow over the factory system while producing a rich, aggressive tone. The single-layer construction teamed with quad black tips delivers both visual appeal and robust sound quality.

Optimized to balance performance and everyday usability, the R400 design enhances throttle response and mid-range torque feel without excess cabin drone. Installation is straightforward using factory hangers and included hardware, making it a direct bolt-on system. Whether you're upgrading for increased performance, improved exhaust note, or a sportier rear aesthetic, this cat-back exhaust provides a durable and high-quality solution for Subaru WRX owners.