HKS Sport Cat Back Exhaust Subaru WRX / STI 2002-2007 | 31013-BF001 – Import Image Racing
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HKS Sport Cat Back Exhaust Subaru WRX / STI 2002-2007 | 31013-BF001
HKS Sport Cat Back Exhaust Subaru WRX / STI 2002-2007 | 31013-BF001
HKS Sport Cat Back Exhaust Subaru WRX / STI 2002-2007 | 31013-BF001
HKS Sport Cat Back Exhaust Subaru WRX / STI 2002-2007 | 31013-BF001
HKS Sport Cat Back Exhaust Subaru WRX / STI 2002-2007 | 31013-BF001
HKS Sport Cat Back Exhaust Subaru WRX / STI 2002-2007 | 31013-BF001

HKS Sport Cat Back Exhaust Subaru WRX / STI 2002-2007 | 31013-BF001

Rated 5.0 out of 5
Based on 6 reviews
SKU: hks31013-BF001
Availability: 14 In Stock
Product Type: Exhaust Cat Back
$558.00
$620.00
$558.00
Save $62.00

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Regular Price: $620.00 - Instant discount: $62.00 = $558.00


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Overview  

Fitment Information:

2004-2007 Subaru STI

2002-2007 Subaru WRX

Features:

  • Increases horsepower and torque by providing an unobstructed exit path for the exhaust gases
  • Reduces turbo lag
  • Material: 409 Mild Steel
  • Polished exhaust tip
  • 106mm (4.17in) exhaust tip
  • 75mm (2.95in) piping diameter
  • Exhaust hangers welded onto the OEM locations to make for direct fitment and installation
  • Includes new hardware and gaskets

HKS Sport Catback Exhaust for 02-07 WRX/STi is perfect for those who daily their cars and don't want anything too loud or obnoxious. It is constructed of ceramic coated mild steel 75mm piping with a 106mm tip. This system will add performance and a great stealth look for your WRX or STI but will not catch unwanted attention like most aftermarket systems. All hardware and gaskets are included for install.

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.

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average rating 5.0 out of 5
Based on 6 reviews
  • 5 Stars
    6 Reviews
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Review posted
Reviewed by michael
Rated 5 out of 5

5 Stars

Perfect low key quality exhaust for me. Shipped quickly easy transaction. So good 👍

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Review posted
Reviewed by Michael
Rated 5 out of 5

5 Stars

No fuss. Ordered what I wanted, got here pretty quick. Couldn’t be happier. Thx y’all!

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Review posted
Reviewed by NC
Rated 5 out of 5

Great Exhaust

Coming from a titanium Tomei which was LOUD. This is a bit quieter than I thought it would be but I love it. No highway drone, no obnoxious cold starts in the AM. I am running this with a 20G and ELH, it is the perfect setup for a DD.

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Review posted
Reviewed by Nathan, from United States
Rated 5 out of 5

Best Daily Driven Exhaust

If you daily your WRX or STi, than this is the exhaust for you.

Pros:

Amazing, deep rumble

Not very loud

Stock hanger locations

Perfect quality for the price

Cons:

The amount of woman/men who will want to ride in your car.

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Review posted
Reviewed by Sebastian O., from United States
Rated 5 out of 5

Holy sh*t

Opened my car up just right

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Review posted
Reviewed by Puckhead_33, from United States
Rated 5 out of 5

Everything it says

This exhaust was exactly what I wanted... give me a little more growl out of the boxer, but not obnoxiously loud, inside or out. Definitely feel more low-end jump as well. Great deal for one of the less-pricey exhausts on the market. Still debating if I want to leave the tip shiny stainless or paint it matte black to match the Cerakote.

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