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BLOX Racing 15-21 Subaru WRX / 15-21 Subaru WRX STI Muffler Delete Kit - Black Ops Auto Works
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BLOX Racing 15-21 Subaru WRX / 15-21 Subaru WRX STI Muffler Delete Kit

BLOX Racing
BLOBXEX-51104
BXEX-51104
Muffler Delete Pipes
20+ Units In Stock - Ships Next Business Day
$ 427.00 $ 341.60
$ 341.60

SKU: BXEX-51104

BLOX Racing 15-21 Subaru WRX / 15-17 Subaru WRX STI Muffler Delete Kit

The BLOX Racing Muffler Delete Kit BXEX-51104 replaces the factory muffler on 2015-2021 Subaru WRX and 2015-2017 WRX STI models with a lightweight straight pipe. This direct bolt-on upgrade cuts weight by over 15 pounds per side improves exhaust scavenging and produces a raw aggressive exhaust tone. Drivers gain quicker throttle response and higher revs without restrictions.

Key Features

  • T304 Stainless Steel Construction: Full T304 stainless steel tubing resists corrosion and withstands high heat for long-term durability under track or street conditions.
  • Mandrel Bent Design: Precision mandrel bends ensure smooth uninterrupted exhaust flow reducing backpressure and boosting horsepower across the RPM range.
  • Polished Mirror Finish: High-polish finish enhances visual appeal and simplifies cleaning while maintaining heat dissipation properties.
  • Direct Bolt-On Fitment: Engineered to bolt directly to OEM midpipes and hangers using factory mounting points for hassle-free installation.
  • Significant Weight Savings: Reduces rear exhaust weight from 20+ lbs per OEM muffler to just 3.2 lbs per delete pipe improving handling and acceleration.

Product Notes

  • Expect a louder more raspy exhaust sound ideal for enthusiasts seeking authentic performance tone.
  • Pair with cat-back systems for complete exhaust overhaul.
  • Ships fully assembled ready for install.

Installation Notes

  • Professional installation recommended.
  • Remove OEM muffler by loosening V-band clamps and rubber hangers takes under 1 hour with basic tools.
  • Includes all necessary gaskets clamps and hardware for OEM compatibility.

This Part Fits

Year Make Model Submodel
2015-2021 Subaru WRX Base Premium Limited Sport
2015-2017 Subaru WRX STI Base Limited
2018-2021 Subaru WRX STI Limited

Why Choose BLOX Racing?

  • Established brand with motorsport pedigree delivering race-proven components.
  • Uses premium materials like T304 stainless for reliable performance.
  • Precision engineering ensures perfect fit and maximum flow gains.

Frequently Asked Questions

  • Q: Will this fit my 2018+ WRX STI?
    A: Yes BXEX-51104 fits 2015-2021 WRX and 2015-2021 STI models with identical rear exhaust hangers and midpipe flanges.
  • Q: What material is the pipe made from?
    A: Constructed from durable T304 stainless steel with 16-gauge wall thickness and 3-inch diameter mandrel-bent tubing.
  • Q: Does it come with a warranty and is install easy?
    A: Backed by BLOX Racing limited lifetime warranty. Bolt-on design uses OEM clamps no welding or cutting required.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed 12 x 8 x 6 inches
  • Weight: 4.5 lbs shipping weight

Request For Information

Have questions about BLOX Racing 15-21 Subaru WRX / 15-21 Subaru WRX STI Muffler Delete Kit? Fill out the form below and we'll get back to you by the next business day.
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