SKU: BXEX-51104-BK
BLOX Racing 15-21 Subaru WRX / 15-21 Subaru WRX STI Muffler Delete Kit - Black Tip
BLOX Racing Muffler Delete Kit BXEX-51104-BK replaces stock mufflers on 2015-2021 Subaru WRX and WRX STI non-SPT models. Crafted from T304 stainless steel this dual-exit quad-tip design cuts weight sheds bulk and delivers deep throaty boxer engine rumble. Direct bolt-on setup uses OEM hangers with included gaskets and hardware for straightforward replacement.
Key Features
- T304 Stainless Steel Build: Mandrel-bent tubing TIG-welded construction resists cracks leaks and corrosion for long-term reliability
- 2.5in OD Piping 3.5in Black Tips: Quad-tip dual-exit layout creates aggressive stance and amplifies exhaust flow for louder tone
- Direct Bolt-On Design: Matches OEM hanger locations bolts to factory 2-hole flange includes all new gaskets hardware
- Weight Reduction: Single-wall pipes eliminate heavy OEM mufflers improve handling response and fuel efficiency
- Enhanced Sound Profile: Produces classic Subaru boxer growl with deeper aggressive resonance at all RPMs
Product Notes
- Bolts to factory 2-hole exhaust flange on OEM systems only
- Compatible with stock exhaust does not fit aftermarket or SPT setups
- Matte black finish maintains clean look resists surface damage
Installation Notes
- Professional installation recommended.
- Remove OEM mufflers bolt delete pipes directly in place
- OEM hangers retained new hardware gaskets provided for secure fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX | Base Premium Limited GT |
| 2015-2021 | Subaru | WRX STI | Non-SPT |
Why Choose BLOX Racing?
- Established leader in JDM performance parts for Subaru owners
- Premium T304 materials ensure durability in harsh conditions
- Engineered for exact OEM fitment and consistent performance gains
Frequently Asked Questions
-
Q: Will this fit my 2015-2021 Subaru WRX STI with stock exhaust?
A: Yes direct bolt-on for non-SPT STI models bolts to factory 2-hole flange retains OEM hangers -
Q: What finish and material does it use?
A: T304 stainless steel tubing with matte black powder-coated 3.5in quad tips for corrosion resistance and style -
Q: Does installation require special tools or modifications?
A: No basic hand tools suffice includes all hardware gaskets professional help advised for alignment
Shipping & Handling
- Method: UPS Ground FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective foam-lined box 28 x 14 x 8 inches
- Weight: 11.7 lbs
BLOX Racing
BLOX Racing has built a strong following in the import and sport compact community since 2003 by delivering parts that meet or exceed OEM quality standards at prices that make building accessible. Every BLOX product is designed with ISO 9001-certified manufacturing processes and subjected to rigorous testing before release, ensuring fitment and reliability that matches the performance they advertise. Popular Upgrades BLOX Racing intake manifolds and throttle bodies are popular for Honda, Acura, and other sport compact platforms, delivering improved airflow and throttle response over stock components. Suspension components including adjustable end links, sway bars, and pillow ball mounts allow precise handling tuning for street and autocross use. Engine hardware — cam gears, valve train components, and timing chain kits — rounds out the BLOX catalog for builders pushing beyond stock engine parameters. What platforms does BLOX Racing support? BLOX Racing focuses primarily on Honda, Ac...
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