MagnaFlow Competition Series Cat Back Exhaust Subaru WRX / STI 2015-2021

Rated 5.0 out of 5
Based on 1 review
SKU: mag19361
Availability: Out Of Stock
Type: Exhaust Cat Back
Regular price
$1,264.00
Regular price
$1,815.60
Sale price
$1,264.00
Instant Discount

Regular Price: $1,815.60 - Instant discount: $551.60 = $1,264.00


Subtotal: $1,264.00

Delivery Options:

  • Economy $4.97
Fastrak Delivery: , Order within hours minutes
Part #: 19361

This is the Magna Flow Cat-Back Exhaust System that has been crafted to improve both the performance by adding more horsepower, more torque, while reducing turbo lag and improving throttle response. Magnaflow achieves the performance through a combination of smooth mandrel bends and larger piping diameter. Other benefits include improved gas mileage along with improvements in sound throughout the entire RPM range. This is a straight-through flow design that will flow enough power to work with future modifications that require a free flowing exhaust system to reach the full potential of those modifications.

The Magnaflow Cat-Back Exhaust System will come ready to install with exhaust hangers welded onto the OEM locations so that you don't have to perform further alterations to the body or chassis for fitment.

Additionally, clamps, as well as a pair of o-rings will be included to complete the installation.


Note: Are you using a stock j pipe or downpipe? If yes, the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046, is required.



average rating 5.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
Review posted
Reviewed by Chad W., from United States
Verified Buyer
Rated 5 out of 5

Fits my 2020 STI perfect

Love it. My only complaint is that it’s not made out of stainless steel. So this exhaust is on the heavy side compared to others that use stainless.

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