HKS Hi Power Spec L 2 Exhaust suits Subaru WRX STI VAB 2014-2020
HKS Hi Power Spec L 2 Exhaust suits Subaru WRX STI VAB 2014-2020
Universal fit
No vehicle selection needed.
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Fitment not confirmed
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Vehicle fitment
This part is listed to fit the following vehicles.
In Melbourne? Fit it in our workshop.
We fit parts in-house at the RevZone workshop. Book a time and bring your car in.
Description
HKS Hi-Power SPEC-L II Muffler – Subaru WRX STI (VAB, 2014–2020)
Elevate your EJ20-powered WRX STI with a lightweight, stainless-steel cat-back engineered for flow, response, and a clean, assertive exhaust note. JASMA-certified for quality and compliance.
Key Features
- Precision fitment for VAB WRX STI (2014–2020, EJ20 turbo).
- SUS304 stainless-steel construction for durability and corrosion resistance.
- Hi-Power SPEC-L II layout for improved flow and sporty tone.
- Dual tip design with optimized 65–50 mm center pipes to reduce backpressure.
- Sporty acoustics (approx. 89 dB vs. ~78 dB stock, measured at idle) with refined character and minimal drone.
- Lightweight system (~10.4 kg) for notable weight reduction vs. stock.
- Maintains practical ground clearance (~125 mm) to help avoid scraping.
- JASMA certification (JQR30144245) for peace of mind.
What’s Included
- Main muffler assembly
- Center pipe(s)
- Gaskets, hardware, and fittings (as supplied by HKS)
Specifications
Notes
- Designed for EJ20 turbo models. Check local regulations and compatibility before purchase.
- Professional installation recommended. Torque fasteners to manufacturer specifications.
Specifications
- Part Number
- 31019-AF130
- Brand
- HKS
- Product Code
- 31019-AF130
- Vehicle
- Subaru WRX STI (VAB) 08/2014–04/2020
- Material
- SUS304 Stainless Steel
- Exhaust Type
- Hi-Power SPEC-L II (dual exit)
- Center Pipe
- Approx. 65–50 mm × 2
- Tip Diameter
- Approx. 94 mm (L/R)
- Noise (Idle)
- Stock ~78 dB → HKS ~89 dB
- Ground Clearance
- Approx. 125 mm (comparable to stock)
- Weight
- ~10.4 kg (significant reduction vs. stock)
- Certification
- JASMA JQR30144245
Shipping
Orders are processed within 1-2 business days (Monday to Friday), and orders placed before 12pm AEST are usually dispatched the same day. Once dispatched, standard shipping takes 3-7 business days and express 1-3, with tracking emailed as your order leaves.
If part of your order is out of stock, we'll contact you with the option to split the shipment or hold it until everything is ready. Read the full shipping policy.
Returns
You have 14 days from delivery to request a return on unused parts in their original packaging. Refunds incur a 15% restocking fee (20% for special orders), or choose store credit and the full purchase value is applied to your account.
Parts that have been test fitted, installed, or used can't be returned, and special-order or overseas-ordered items are assessed case by case. Faulty or incorrectly supplied items are always covered at no cost to you. Read the full returns policy.
