Set Your 2021 Subaru WRX STI Catalog
A down arrow

BLOX Exhaust System for 2021 Subaru WRX STI

Subaru WRX STI - 2015 to 2021 - Sedan [All] (Axle-Back) (Quad Polished Tips)
More / Larger Pics (1)
Fits:
Subaru WRX STI - 2015 to 2021 - Sedan [All Trim Levels]
Notes:
  • Axle-Back
  • Quad Polished Tips
More Info:
2.5" diameter main piping. Quad 3.5" angle-cut polished tips and no mufflers. Not a full cat-back system.
List Price:
$410.00
Our Price:
$282.97
You Save:
$127.03
 
 
1-4 DAY FAST FREE SHIPPING!
(free to mainland U.S. only)
Select an Application For Your
2021 Subaru WRX STI
 
Door Config  [Trim Level]
Application / Notes
Sedan [All]
(Axle-Back) (Quad Black Tips)
Sedan [All]
(Axle-Back) (Quad Polished Tips)
 
🔰 Subaru WRX STI Fitment Help
Quicker Navigation & Better Info
Set Your Car Once & Site Customizes For It

BLOX exhaust systems use large diameter piping to maximize power, and feature T304 stainless steel for strength and weight savings. The exhaust pipes are mandrel bent for accuracy and include TIG welded CNC machined flanges for durability. The large diameter exhaust muffler and tip allow for a mild yet deep tone. Each BLOX exhaust system is designed to be a direct bolt-on installation for the easiest possible installation.

Key Features:
  • Excellent power gains.
  • Large piping diameter.
  • Super lightweight and strong T304 stainless steel.
  • Full cat-back exhaust system.
  • Amazing looks and sound.
  • Bolt-on design for a simple install.

  Don't have a 2021 Subaru WRX STI?

Application Price List & Information Overview
Application List Price Our Price
Subaru WRX STI - 2015 to 2021 - Sedan [All] BLOX Exhaust System

Notes: (Axle-Back) (Quad Black Tips)

More Info: 2.5" diameter main piping. Quad 3.5" angle-cut black tips and no mufflers. Not a full cat-back system.
$450.00$309.97
Subaru WRX STI - 2015 to 2021 - Sedan [All] BLOX Exhaust System

Notes: (Axle-Back) (Quad Polished Tips)

More Info: 2.5" diameter main piping. Quad 3.5" angle-cut polished tips and no mufflers. Not a full cat-back system.
$410.00$282.97
Featured Supported Door Configuration:
Subaru WRX STI Sedan

BLOX Exhaust System supported 2021 Subaru WRX STI Trim Levels:
Base , Launch Ed. , Limited , Series.HyperBlue , Series.Gray , Series.White


Our Customers Love Us - See our Reviews
...Loading Reviews