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Home / Accessories / Invidia N1 Full Titanium Cat Back Exhaust 2015-2021 WRX / 2015-2021 STI Don’t Miss Out

Invidia N1 Full Titanium Cat Back Exhaust 2015-2021 WRX / 2015-2021 STI Don’t Miss Out

Original price was: $1,836.00.Current price is: $734.40.

SKU: SK0036008-US20260202-084322 Category: Tag:

Description

Invidia N1 Full Titanium Cat Back Exhaust 2015-2021 WRX / 2015-2021 STI | Lightweight Performance Upgrade | Exhaust System

Overview

The Invidia N1 Full Titanium Cat Back Exhaust is a high-performance upgrade designed specifically for 2015-2021 Subaru WRX and STI models. Crafted for enthusiasts seeking to enhance their vehicle’s power, sound, and weight savings, this exhaust system replaces the factory setup with a lightweight, durable titanium alternative. The N1 exhaust not only improves throttle response and acceleration but also delivers an aggressive, race-inspired exhaust note that elevates the driving experience on both street and track. Its full titanium construction ensures maximum weight reduction, which translates into better handling, quicker braking, and improved steering feel—key benefits for Subaru owners who demand more from their cars.

Built with a focus on engineering excellence, Invidia’s design philosophy emphasizes high flow, durability, and sound quality. The N1 full titanium system features a straight-through, high-flow design that maximizes engine output while maintaining a refined yet aggressive tone. The use of premium titanium not only reduces weight but also offers excellent corrosion resistance, ensuring long-term reliability even in demanding conditions. Whether you’re tuning for performance or simply want a more engaging exhaust note, this system is engineered to meet the needs of Subaru enthusiasts who prioritize quality and platform-specific fitment.

For Subaru owners, this configuration offers tangible benefits: improved horsepower and torque potential, a noticeable reduction in vehicle weight, and a more assertive exhaust sound. The full titanium build makes it an ideal choice for those looking to optimize their car’s performance without sacrificing durability. Keep in mind that an OEM downpipe to 3-inch catback adapter may be required for proper fitment, ensuring seamless installation. Overall, the Invidia N1 Titanium Cat Back Exhaust is a smart upgrade for Subaru WRX STI owners who want to elevate their driving dynamics with a lightweight, race-inspired exhaust system.

Features & Specifications

This Invidia N1 Full Titanium Cat Back Exhaust is engineered for Subaru WRX and STI models from 2015 to 2021 and features a full titanium construction that delivers exceptional weight savings and durability for Subaru enthusiasts seeking performance gains and a bold sound.

  • Brand: Invidia
  • Product: N1 Full Titanium Cat Back Exhaust
  • Part Number: [If available in description]
  • Fitment: Subaru WRX / STI 2015-2021
  • Material: Titanium
  • Finish: Natural titanium finish
  • Construction: Fully TIG-welded, straight-through high-flow design
  • Origin: Japan
  • Power Gains: Not specified, but optimized for increased flow and performance
  • Tuning Required: No, but tuning may enhance performance
  • CARB Status: Not specified

Key Benefits

  • Weight Reduction: Significantly lighter than stock exhausts, improving handling and response
  • Enhanced Performance: Straight-through design maximizes exhaust flow for increased horsepower and torque
  • Aggressive Sound: Produces a deep, race-inspired exhaust note that elevates driving enjoyment
  • Durability & Corrosion Resistance: Titanium construction ensures long-lasting performance in demanding conditions
  • Platform-Specific Fitment: Designed to fit 2015-2021 WRX and STI models seamlessly
  • Visual Appeal: Natural titanium finish offers a sleek, OEM+ aesthetic that ages well over time

What’s Included

  • 1× Invidia N1 Full Titanium Cat Back Exhaust
  • Mounting hardware (clamps, brackets)
  • Gaskets and seals (if applicable)
  • Installation instructions

Installation & Compatibility

Installing the Invidia N1 Titanium Cat Back Exhaust is a straightforward process for those with basic mechanical skills, but professional installation is recommended to ensure proper fitment and sealing. The system is designed as a direct bolt-on replacement for the factory exhaust, though an OEM downpipe to 3-inch catback adapter may be required for optimal fitment on some models. No tuning is strictly necessary, but a retune can unlock additional performance benefits and ensure optimal engine response. Always verify compatibility with your specific year and trim to avoid fitment issues.