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Item #:
230063409
HKS Sport Exhaust for 02-07 Subaru WRX / STI - 31013-BF001
Item #:
230063409
IMP 1034
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Order now and get it around Sunday, July 26
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Designed to reduce backpressure and increase exhaust flow for greater peak power and a broader torque band.
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What Stands Out
Enhanced Performance
The HKS Sport Exhaust boosts horsepower and torque by improving exhaust flow, delivering a noticeable performance increase for your Subaru WRX/STI, making it ideal for enthusiasts seeking speed.
Durable Construction
Crafted with high-quality materials, the exhaust system offers exceptional durability and resistance to corrosion, ensuring long-lasting performance and reliability even under extreme driving conditions.
Aggressive Sound
Designed to produce a deep, aggressive exhaust note, the HKS Sport Exhaust enhances the driving experience with a powerful sound, appealing to those who want their vehicle to turn heads.
Product Details
| Manufacturer part number | 31013-BF001 |
| Vehicle model | Impreza WRX |
| Vehicle year | 2002, 2003, 2004, 2005, 2006, 2007 |
| Vehicle make | Subaru |
| Vehicle mount location | Rear |
| Vehicle fitment type | Universal |
| Automotive parts division | Direct Replacement |
| Brand | HKS |
| Automotive specialty part type | Exhaust |
| Features | Easy Installation |
| Material | Stainless Steel |
| Color | Multicolor |
| Weight | 39.9 lb (18.1 kg) |
| Vehicle type | Car |
| Compatible cars | 02-07 WRX / 04-07 STi |
| Pack quantity | 1 |
Who Should Buy?
-
Performance Enthusiasts
Ideal for those looking to improve performance with enhanced exhaust flow and power gain from their Subaru WRX or STI.
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Sound Aficionados
Perfect for users who appreciate a deep, aggressive exhaust note that enhances the overall driving experience.
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Track Users
Beneficial for individuals participating in motorsports, as the exhaust helps reduce back pressure for more efficient engine performance.
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Daily Commuters
Potential noise levels may be unsuitable for individuals seeking a quiet, comfortable daily driving experience.
Product Description
HKS Sport Exhaust for 02-07 Subaru WRX / STI - 31013-BF001
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Customer Questions & Answers
-
Question:
Is the installation process difficult?
Answer: No, the HKS Sport Exhaust System is designed for easy installation. -
Question:
What models are compatible with this exhaust system?
Answer: It is compatible with Subaru Impreza WRX 2002-2007 and Subaru Impreza WRX STi 2004-2007. -
Question:
Does it comply with safety regulations?
Answer: Yes, it includes a warning for California Proposition 65 related to cancer and reproductive harm.
HKS Replacement Auto Parts Editorial Review
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Mohd
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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Shawati
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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Leila
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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IMP 1034
Order now and get it around Sunday, July 26
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Features & Benefits
- Increases exhaust flow for peak power.
- Reduces backpressure for better performance.
- Specific design maintains low-end torque.
- Maximizes high-end horsepower.
- Easy installation for hassle-free setup.
- Compatible with Subaru Impreza WRX and WRX STi models.
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