BLOX Racing Axle Back Exhaust Black Version Subaru WRX 2015-2021 / STI 2015-2021(Non SPT)

Rated 4.8 out of 5
Based on 4 reviews
SKU: bloBXEX-51104-BK
Availability: Out Of Stock
Type: Exhaust Axle Back
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Regular Price: $360.00 - Instant discount: $60.44 = $299.56
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Subtotal: $299.56
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Part #: BXEX-51104-BK

BLOX Racing's muffler delete replaces the OEM muffler from axle-back and removes unwanted weight associated with the heavy, stock mufflers. BLOX Racing muffler deletes are constructed from T304 stainless steel, mandrel-bent and TIG-welded. Each delete kit is dual exit and features single-wall quad exhaust tips that are coated black.


2015-2021 Subaru WRX
2015-2021 Subaru STi (non SPT) SPECIFICATIONS

3” piping
3.5" tips
T304 stainless steel
Mandrel-bent tubing; TIG-welded


Dual muffler delete design, quad tips
Single wall construction, matte black finish
Direct bolt-on
Includes new hardware and gaskets


Replaces heavy and bulky OEM mufflers
Aggressive looks
Throaty exhaust notes and tones


Bolts to 2-hole exhaust flange
Will not work with aftermarket exhaust system
Does not fit SPT exhaust


WARNING: Cancer and Reproductive Harm. (

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