HKS Hi-Power Cat Back Exhaust Subaru WRX 02-07 / STI 04-07 | 3106-EX008

Rated 4.9 out of 5
Based on 13 reviews
SKU: hks3106-EX008
Availability: 195 In Stock Learn more
Type: Exhaust Cat Back
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Regular Price: $630.00 - Instant discount: $115.92 = $514.08

Subtotal: $514.08

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Fitment Information:

2002 - 2007 Subaru WRX

2004 - 2007 Subaru STI


  • Increases horsepower and torque by providing an unobstructed exit path for the exhaust gases
  • Reduces turbo lag
  • Produces an aggressive exhaust note
  • Polished tip
  • Tip 4.72 inches
  • Piping 3 inches
  • SUS304 stainless steel muffler
  • SUH409 stainless steel exhaust

The HKS Hi-Power WRX & STI Catback Exhaust features 3in coated mild steel piping and a stainless steel angled-exit Hi-Power muffler for true JDM look and sound. The HKS Hi-Power's full straight, 3in piping and free-flowing muffler reduce backpressure and create significant performance gains while giving your WRX or STI a deep, throaty exhaust tone.

Note: Are you using a stock j pipe or downpipe? If so, you'll also need the GrimmSpeed Subaru Stock DP to Aftermarket 3" Catback Adapter, available to purchase separately.