STI Sport Muffler - Impreza GDB/GDA/GGB/GGA EJ20 Turbo, Dual-Wall Tail Exhaust
【稀少】STI スポーツ マフラー IMPREZA インプレッサ GDB/GDA/GGB/GGA EJ20 ターボ 2重管 テール 背圧 EXHAUST 低背圧

This is a genuine STI Sport Muffler for the Impreza GDB/GDA/GGB/GGA chassis with the EJ20 turbo engine (part number ST443004S030). It is a stainless steel straight-through sport muffler tuned for exhaust note and throttle response, with sound tuning and back-pressure adjustments applied. It features a bullet-shaped silencer with a sound-absorbing tail structure and a slash-cut dual-wall single tail pipe embossed with the STI logo, with an outlet diameter of 110mm and a main pipe diameter of 60mm. The listing states that photos show the actual item and that all flaws are visible there; buyers seeking a flawless piece are advised to look elsewhere since this is a used part.
Seller notes scratches, rust, dents, lifted rivets, and surface scuffing; described as a used part, not flawless.
Shipping: Ships via Sagawa Express at package size 220, sender-prepaid (motobarai) service. No mention of combined shipping or pickup options.
Ships from Kanagawa, Japan, to our Osaka warehouse and on to Pomona.
Starting Price
No bids
$902
¥139,800
The bid is in yen and the dollar figure converts at today’s rate. This is the item alone; the all-in landed price is in the quote below.
Buy It Now
$968
¥150,000
For the item. Skips the auction, this price is fixed.
Sep 29, 2026, 5:29 AM PDT
| Item price, at the starting price | $902¥139,800 |
| Export co. commission & import tax | $298¥46,134 |
| Shipping to our Osaka warehouse | $57¥8,800 |
| Ocean Freight to California | $200 |
All-in pickup (Pomona, CA), at the starting price
U.S. domestic shipping not included
$1,457
The seller sets shipping to Osaka after the sale, so that part of the quote is confirmed before you commit.

