HKS Super Turbo Muffler Cat-Back Exhaust - Subaru Impreza Wrx Sti Gdb 2004-2007 (EJ207)

The HKS Super Turbo Muffler is a JASMA-certified 75mm SUS304 stainless steel 2-piece cat-back (mid silencer and rear silencer) for the Subaru Impreza WRX STI GDB chassis variants E/F/G (EJ207, 2004-2007 four-door sedan), raising close-measurement sound from 84 dB stock to 91 dB with a single 124mm SUS304 tip.

Specifications

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy