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Enhance your Subaru WRX STI or WRX with the HKS Hi-Power Muffler, designed specifically for 2015 US models. This high-performance exhaust component delivers a significant boost in both power and sound, providing an aggressive tone that enthusiasts seek. Crafted with precision, the HKS Hi-Power Muffler is engineered to optimize exhaust flow, reducing backpressure and improving engine efficiency for a more responsive driving experience. Constructed from durable materials, it ensures longevity and maintains performance even under demanding conditions. Installation is straightforward, making it a popular upgrade for those looking to upgrade their vehicle's exhaust system without extensive modifications.
The HKS Hi-Power Muffler is an excellent choice for drivers who want to enhance their vehicle's sound profile while gaining some horsepower gains. Its design incorporates advanced technology to produce an aggressive exhaust note without compromising reliability. This muffler complies with necessary regulations, requiring acknowledgment of carb compliance, and is suitable for enthusiasts who prioritize both performance and quality. Whether you're looking for a subtle increase in sound or a more aggressive tone, this muffler offers a versatile solution tailored to your driving style.
Made by HKS, a trusted name in automotive performance parts, the part number HKS31006-BF001 guarantees quality and performance. It is not CARB approved but is an excellent option for racing or off-road use where regulations permit. Upgrade your Subaru WRX today with this high-quality, performance-oriented muffler designed to elevate your driving experience.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
