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Torque Solution Stainless Axle Back Exhaust: Subaru WRX 15-25 / STI 15-21

TQSTS-SU-883-S
TS-SU-883-S
Axle Back
Out of stock
$ 455.54

SKU: TS-SU-883-S

Torque Solution Stainless Axle-Back Exhaust 2015-2025 Subaru WRX / 2015-2021 STI

The Torque Solution TS-SU-883-S Stainless Axle-Back Exhaust is the best performance upgrade for 2015-2025 Subaru WRX and 2015-2021 WRX STI owners seeking deeper tone, improved exhaust flow, and a premium stainless steel system. Crafted from high-quality T304 stainless steel with mandrel-bent tubing and precision TIG welds, this axle-back delivers aggressive sound without excessive drone, noticeable power gains, and a clean, modern look with dual polished tips – ideal for daily driving, spirited street use, or track days on the VA/ VB WRX and VA STI platform.

Key Features

  • T304 Stainless Steel Construction: Durable, corrosion-resistant material with mandrel bends for smooth flow
  • Aggressive Sound Profile: Deeper, throatier exhaust note with minimal cabin drone
  • Improved Flow & Performance: Larger diameter piping reduces backpressure for better throttle response and power
  • Dual Polished Tips: 4" double-wall tips for a clean, aggressive rear appearance
  • Direct Bolt-On Fit: OEM-style hangers and connections no modifications required
  • Torque Solution Quality: Precision TIG welds and high flow design trusted in Subaru performance builds

Specifications

Specification Detail
Part Number TS-SU-883-S
Material T304 Stainless Steel
Tip Style Dual 4" Polished Double-Wall
Compatibility 2015-2025 Subaru WRX / 2015-2021 WRX STI
Installation Direct Bolt-On (Uses Factory Hangers & Connections)
Country of Origin United States
Warranty Limited Lifetime (Torque Solution)
Shipping Weight 15 lbs
Shipping Dimensions 23.9 x 12.8 x 12.4 inches

Product Notes

  • Axle-back system – replaces factory mufflers and tips from the axle rearward
  • Deeper, more aggressive tone without excessive interior drone – perfect balance for street/track
  • Recommended with cat-back or full exhaust for maximum performance gains

Installation Notes

  • Estimated time: 1-2 hours, moderate difficulty, basic hand tools required
  • Direct bolt-on remove factory axle-back, install Torque Solution system, torque hangers and clamps
  • Professional installation optional check for leaks and proper alignment after install

This Part Fits

Year Make Model Notes
2015-2021 Subaru WRX STI All Trims (Base, Limited, Launch Edition)
2015-2025 Subaru WRX All Trims (Base, Premium, Limited, GT, tS)

Why Choose Torque Solution Stainless Axle-Back Exhaust?

  • T304 stainless steel with mandrel bends delivers deeper tone, better flow, and long-term durability
  • Dual 4" polished tips add aggressive rear styling while maintaining clean fitment
  • Limited lifetime warranty trusted performance exhaust upgrade for Subaru WRX/STI owners

Frequently Asked Questions

  • Q: Will this axle-back fit my 2024 Subaru WRX?
    A: Yes, Torque Solution TS-SU-883-S fits 2015-2025 Subaru WRX and 2015-2021 WRX STI.
  • Q: Does it require any modifications?
    A: No, direct bolt-on using factory hangers and connections.
  • Q: How loud is it compared to stock?
    A: Deeper and more aggressive tone with minimal interior drone perfect street/track balance.
  • Q: What is the warranty?
    A: Covered by Torque Solution Limited Lifetime Warranty built to last.

Shipping & Handling

  • Method: UPS/FedEx Ground (Oversize)
  • Availability: In stock - ships same or next business day
  • Packaging: Secure protective packaging
  • Weight: 15 lbs

Request For Information

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