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Remark

R1 Spec Single-Exit Stainless Cat-Back Exhaust (Resonated)

Fits: 15-21 WRX/STI

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Pay over time available · Est. $34.22/payment
ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

Remark R1 Spec Single-Exit Stainless Cat-Back Exhaust (Resonated)
Fits: 15-21 WRX/STI
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Fitment

Please Note: Fits 2015-2021 Subaru WRX/STI (VA chassis; structured buckets 2015-2017 / 2018-2021 for WRX and WRX STI - legacy fitment_info contained invalid '2015-2021 Subaru | WRX' bucket, corrected and STI buckets added per legacy fitment text). R1 Spec single-exit resonated stainless cat-back; 3.0 in. mandrel-bent piping; 4.5 in. slant-cut tip. Part #RK-C1076S-01C.
  • 2015–2021 Subaru | WRX STI
  • 2015–2021 Subaru | WRX

Description

The Remark R1 Spec Single-Exit Cat-Back Exhaust for the 2015-2021 Subaru WRX/STI (VA) is purpose-built for maximum performance, weight reduction, and an aggressive exhaust tone. The single-exit system uses 3.0-inch mandrel-bent piping with a high-flow straight-through muffler to reduce backpressure and improve exhaust flow. This resonated stainless version pairs 304 stainless steel piping and flanges with a stainless steel muffler canister and a 4.5-inch slant-cut tip for a bold, motorsport-inspired look. The track-inspired design delivers a deep, aggressive tone under throttle with significant weight savings over stock - ideal for track environments or aggressive builds.

  • 3.0 in. mandrel-bent piping; high-flow straight-through muffler
  • Resonated stainless steel version - 304 SS piping, flanges, and muffler canister
  • Single-exit layout; 4.5 in. slant-cut tip
  • Deep, aggressive tone; significant weight savings over stock
  • Direct bolt-on installation
  • Part #RK-C1076S-01C

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