HKS Legamax Premium Cat back Exhaust - Subaru WRX STI VAF 2015+
HKS Legamax Premium Cat back Exhaust - Subaru WRX STI VAF 2015+
- Secure checkout
- 14-day returns
- Genuine parts
- Melbourne-based support
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
The HKS Legamax Premium is a full cat-back exhaust system for the Subaru WRX STI (VA, 2015 onwards), built from SUS304 stainless steel with dual 90 mm slashed titanium-finish tips. It combines a straight-through silencer for improved exhaust flow with a silent chamber that reduces low-frequency resonance, keeping the exhaust note sporting without excessive cabin drone.
Features
- Main material: SUS304 stainless steel
- Dual 90 mm slashed titanium-finish tips (left and right)
- Center pipe transitions from 74.7 mm single to 60.5 mm x 2 dual
- Straight-through silencer structure for reduced exhaust pressure
- Silent chamber to reduce low-frequency resonance
Fitment
- Subaru WRX STI, chassis VAF, 2015 onwards
Notes
- This is a cat-back system; the mid pipe and muffler section are replaced
- JDM product: any HKS certification (JASMA etc.) applies to the Japanese market. Check your state's regulations before road use in Australia.
Specifications
- Part Number
- 31021-BF001
- Brand
- HKS
- Material
- SUS304 stainless steel
- Tips
- 90 mm slashed titanium finish, dual (L+R)
- Pipe diameter
- 74.7 mm - 60.5 mm x 2
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.
