X-Force Cat Back Exhaust Subaru STI 2008-2014 / WRX 2011-2014 - Hatchback

Rated 4.3 out of 5
Based on 3 reviews
SKU: XFO-ES-SW09-CBS
Availability: Out Of Stock
Type: Exhaust Cat Back
Regular price
$548.00
Regular price
Sale price
$548.00


Subtotal: $548.00

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Part #: XFO-ES-SW09-CBS

X-Force offers a range of uniquely engineered and designed stainless steel bolt on exhaust systems. These exhaust systems bolt directly to existing mounting points making installation easy. They are built to perform well, with materials designed for longevity and they look great! The unique design increases power throughout the rev range, while providing a great engine audio note to make it roar!


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 4.3 out of 5
Based on 3 reviews
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Review posted
Reviewed by Flatout S., from United States
Rated 5 out of 5

Amazing exhaust for the money!!

Out of the box, it’s beautiful. Install took about 45 minutes. Fit perfectly. The sound...I’m amazed how quiet a 3” exhaust can be. It’s literally barely louder than stock. No drone, no rasp. My OEM blowoff valve is louder. Seriously a very sedate exhaust and a great value. This is the perfect compliment to our company car build project. Couldn’t be happier.

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Reviewed by Neiluj, from New Caledonia
Rated 4 out of 5

Good exhaust for the money

Good quality. The installation was very simple. Dont forget the grimmspeed adapter for oem down pipe. Sound is good,a little louder than oem, not invasive, no drone except at warmup idle.

I dont know if its normal, but the 2 gaskets were fold and bend.

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Reviewed by Brady, from United States
Rated 4 out of 5

Okay for the money

Fitment is good until the muffler. The exhaust tips hang down about 3 inches from the bumper, which doesn’t look good.

Sound is great, very small sound increase over stock. I prefer it to any other exhaust on a subaru.

The slip join plain sucks. It leaks and leaks and leaks. I’ve tried so many different ways of getting it perfect and it still leaks a bit. Eventually carbon will seal it off but it’s very annoying, I wish theyd charge more and put a flex joint or something. I got it to stop leaking for the most part by wrapping the exhaust with tinfoil and using some copper gasket sealer.

I would recommend to a friend.

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