Blox
Blox Racing Muffler Delete Kit
2015-2021 Subaru WRX & STI
Details
- 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.
Fitment:
- 2015-2020 Subaru WRX
- 2015-2020 Subaru STI
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6 customer reviews
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LOUD (in a good way)
By Zack July 12, 2022These things sound amazing. I was sent the wrong hardware to attach them but I just reused the stock hardware. I suggest buying some new bolts for a few dollars just in case, otherwise perfect, affordable, and easy to install!
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99.9% Perfect
By Bowswrx June 15, 2022The ease of the fit to the quality of the product down to the sound of the exhaust is perfect. The missing 0.1% is the supplied bolts are to long. You will run out of threads before the exhaust is tight to the y pipe. I have had it on and running for about 3 weeks now and sound is awesome. No pops and bangs during normal operation only when shifting around 5k rpm’s. This is the best exhaust for looks, and sound of the daily driveling car enthusiast.
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99.9% Perfect
By Bowswrx May 27, 2022It has been about a week with them installed and they sound great. Finish, welds and overall the exhaust looks awesome. Install is a breeze HOWEVER!!!! keep your stock bolts!!! The new ones supplied were to long and threads ran out before exhaust was snug and tight. BUT they have a good deep tone with no drone at speeds. Very happy with them
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Overall a good product
By Keith November 24, 2021The exhaust is made well and sounds great on my 2020 WRX. The only negative is that the hardware they sent me was not correct so I used the OEM hardware instead. Overall it fits well and sounds great and is a great product to buy if you're looking for a cheaper option then a cat back.
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Excellent balance of affordability and quality.
By Chris January 12, 2021Blox sends the muffler deletes wrapped in bubble wrap, foam, and plastic wrap around the tips so they do not get damaged during shipping or installation. They fit well and take about 15 minutes to install start to finish depending on your skill level and access to ramps or a lift. The tubing is pleasant to look at underneath the car. They bring out the Unequal Length Header (UEL) sound that we all love about the EJ engines. Volume is manageable and you can still hear the phone or music easily. UEL engines develop a drone at highway speeds without mufflers, however, it does not cause the car to be unpleasant as long as you have the stock resonator and catalytic converter. Based on the relatively low cost of the axle back, included hardware, and ease of installation I give this product 5 out of 5.
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Sounds great, terrible gasket
By Andrew December 30, 2020Ordered as a fill in before full exhaust, sounds mean with a good deep tone. Only problem is the gaskets included are super sub-par. Took me 4 adjustments to get minimal leaks. Will need to replace gaskets, and this is a definite you get what you pay for. Welds look good, just the gasket is the worst part.
