2015-2021 Subaru STI — Exhaust

Fetched 4d ago · Refreshes in 56d

1. 1

   Injen

   Injen SES exhausts are the community gold standard for VA STI owners, offering aggressive sound, measurable flow gains, and proven reliability across the entire generation with minimal fitment issues.

   Widely available through major performance retailers

2. 2

   Tomei

   Tomei Expreme Ti exhausts deliver high-end Japanese engineering with superior welds and materials; heavily trusted by serious VA STI builders despite premium pricing and longer lead times.

   Sold through specialty JDM importers and authorized Tomei dealers

3. 3

   GrimmSpeed

   GrimmSpeed J-pipes and catback systems are Subaru-focused with meticulous fitment QC for the VA chassis; strong reputation for weld quality and customer support within the STI community.

   Sold direct through GrimmSpeed's own site and select authorized dealers

4. 4

   Borla

   Borla S-Type exhausts for the VA STI offer proven durability and sound tuning; solid American-made option with good availability, though less platform-specific development than Injen.

   Widely available through major performance retailers

5. 5

   Perrin Performance

   Perrin exhaust components are designed in-house for Subarus with strong longitudinal-platform expertise; reliable fitment and quality, though less aggressive power gains than top-tier competitors.

   Sold direct through Perrin's own site and select authorized retailers