Blox Racing Muffler Delete Kit

2015-2021 Subaru WRX & STI

Ships for free in the 48 states

SKU: BXEX-51104

In Stock

Ships within 24 hours

This delete kit is designed to remove and replace the factory axle-back and the weight associated with the vehicle's bulky mufflers. This kit gives enthusiasts an alternative option to a traditional cat-back system.


  • Replaces factory axle-back
  • Saves weight
  • Aggressive look and sound
  • T304 Stainless Steel, mandrel bent and TIG-welded
  • Single wall construction
  • Dual exit, Quad Tips
  • 2.5" piping
  • 3.5" quad tips

Custom Muffler Delete Axle-Back with an Aggressive Throaty Tone

Give your 2015-2021 Subaru WRX or STI a true race car sound with Blox Racing Muffler Delete Axle-Back Exhaust system. This Axle-Back Exhaust from Blox Racing replaces your restrictive factory system and delivers a unique, head-turning, growl that will have your WRX or STI roaring down the street with a sound to match it's aggressive looks. Blox Racing's Axle-Back Exhaust Kit not only delivers an aggressive tone, but also increases your Subie's performance by reducing back-pressure and delivering an increase of horsepower and torque. BLOX Racing's muffler delete replaces the OEM muffler from axle-back and removes unwanted weight associated with the heavy, stock mufflers.

High Quality Axle-Back Exhaust System

BLOX Racing's Muffler Delete is manufactured from T304 stainless steel that is mandrel-bent and TIG-welded. The dual exit delete kit features single-wall construction and polished quad-tips.


  • 2015-2020 Subaru WRX
  • 2015-2020 Subaru STI

0 customer reviews

Average rating
(based on 0 reviews)
Ease of Installation
Fit / Quality
Overall Satisfaction

Write Your Own Review

Only registered users can write reviews. Please, log in or register


No questions have been asked about this product.

Upload images for this product