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- USA
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
STI SPORT MUFFLER B4 For LEGACY B4 (BL) ST4430021001Brand STI Product SPORT MUFFLER B4 Product Number ST4430021001 Description This product provides dual left and right tail ends, without changing the muffling format of the standard multi stage expanding muffler. It is tuned to emphasize the dry sound of boxer engines. The outer shell of the main muffler is made from stainless steel. The STI logo is stamped on the top of the tail pipes. Compatible Vehicle LEGACY B4 (BL) Compatible Models Model
| Brand | STI |
| Product | SPORT MUFFLER B4 |
| Product Number | ST4430021001 |
| Description | This product provides dual left and right tail ends, without changing the muffling format of the standard multi-stage expanding muffler. It is tuned to emphasize the dry sound of boxer engines. The outer shell of the main muffler is made from stainless steel. The STI logo is stamped on the top of the tail pipes. |
| Compatible Vehicle | LEGACY B4 (BL) |
| Compatible Models |
Model adaptation symbol: A 2003-year May-2004 04 May 2.0i (AWD / 4AT) - 2.0i (AWD / 4AT) - 2.0R (AWD / 5MT) - 2.0R (AWD / 4AT) - 2.0GT (AWD / 5MT) ___ 2.0GT (AWD / 5AT) ___ 2.0GTspec.B (AWD / 5MT) ___ 2.0GTspec.B (AWD / 5AT) ___ 3.0R (AWD / 5AT) - 3.0R (AWD / 5AT) - model adaptation symbol : B 2004 year 05 January to May 2005 2.0i (AWD / 4AT) - 2.0i (AWD / 4AT) - 2.0R (AWD / 5MT) - 2.0R (AWD / 5MT) - 2.0R (AWD / 4AT) - 2.0 R (AWD / 4AT) - 2.0GT (AWD / 5MT) ___ 2.0GT (AWD / 5MT) ___ 2.0GT (AWD / 5AT) ___ 2.0GT (AWD / 5AT) ___ 2.0GTspec.B (AWD / 5MT) ___ 2.0 GTspec.B (AWD / 5AT) ___ 3.0R (AWD / 5AT) - 3.0R (AWD / 5AT) - 3.0Rspec.B (AWD / 6MT) - model adaptation symbol: C 2005 Jun-2006 May 2.0i (AWD / 5MT) - 2.0i (AWD / 4AT) - 2.0i (AWD / 4AT) - 2.0R (AWD / 5MT) - 2.0R (AWD / 4AT) - 2.0R (AWD / 4AT) - 2.0R (AWD / 4AT) - 2.0GT (AWD / 5MT) ___ 2.0GT (AWD / 5AT) ___ 2.0GTspec.B (AWD / 5MT) ___ 2.0GTspec.B (AWD / 5AT) ___ BLITZEN 2006 (AWD / 5MT) - BLITZEN 2006 (AWD / 5AT) - 3.0R (AWD / 5AT) - 3.0R (AWD / 5AT) - 3.0 Rspec.B (AWD / 6MT) - 3.0Rspec.B (AWD / 5AT) - model adaptation symbol: D 04 May 2006 06 May and 2007 2.0i (AWD / 5MT) - 2.0i (AWD / 4AT) - 2.0R ( AWD / 5MT) - 2.0R (AWD / 4AT) - 2.0GT (AWD / 5MT) ___ 2.0GT (AWD / 5AT) ___ 2.0GTspec.B (AWD / 6MT) ___ 2.0GTspec.B (AWD / 5AT) ___ 3.0 R (AWD / 5AT) - 3.0Rspec.B (AWD / 6MT) - 3.0Rspec.B (AWD / 5AT) - model adaptation symbol: E 05 May 2007 - 2008 04 May 2.0i (AWD / 5MT) - 2.0i B -SPORT (AWD / 5MT) - 2.0i (AWD / 4AT) - 2.0i B-SPORT (AWD / 4AT) - 2.0i Brighton (AWD / 4AT) - 2.5i (AWD / 4AT) - 2.0Rspec.B (AWD / 5MT) - 2.0Rspec.B (AWD / 4AT) -. 2.0GT (AWD / 5MT) ___ 2.0GT (AWD / 5AT) ___ 2.0GT SI-CRUISE (AWD / 5AT) ___ 2.0GTspec B (AWD / 6MT) ___ 2.0GTspec.B (AWD / 5AT) ___ 3.0R (AWD / 5AT) - 3.0R SI-CRUISE (AWD / 5AT) - model adaptation symbol: F 2008 year May-2009 2.0i (AWD / 5MT) - 2.0i (AWD / 4AT) - 2.5i (AWD / 4AT ) - 2.5i SI-CRUISE (AWD / 4AT) - 2.0GT (AWD / 5MT) ___ 2.0GT (AWD / 5AT) ___ 2.0GT ES (AWD / 5AT) ___ 2.0GTspec.B (AWD / 6MT) ___ 2.0GTspec .B (AWD / 5AT) ___ 3.0R ES (AWD / 5AT) - S402 (AWD / 6MT) -
|
| Remarks | * Since there is no clearance with the tail pipe, this product can not be installed together with Subaru genuine rear bumper skirt and exhaust finisher. * Vibrations and noise are transmitted more easily to the interior of the car due to the hard bushings. * For B4 turbo (2.0GT, 2.0GT Spec.B, 2.0GT SI CRUISE, 2.0GT EyeSight) * The explanation of this product is for Japanese specification. |
| Notes | Images are for illustration purpose only. Actual product may vary. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1910 reviews
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Product Reviews
★★★★★ 5
Great, durable toy
Color: Blue-Red, Size: Extra Large Size 5 (9")
I’ve had this toy for a while now and my dog absolutely loves it. I frequently bring it to the dog park with us and it’s also loved by other dogs. The ball is pretty durable. My dog is not a big chewer but other dogs that play and chew on it haven’t been able to pierce it yet. The handles are sturdy and also still intact. Overall a little pricey but in my opinion worth it.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
fun for dog
Color: Red-Blue, Size: Medium Size 2 (6")
popped kinda easy but my dog is still having fun with it
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Best ball ever!
Color: Red-Blue, Size: Large Size 3 (8"), Color: Red-Blue, Size: Large Size 3 (8")
Oh my goodness. My cane corso (15 mos) LOVES this ball. It’s easy for them to pick up because of all the little handles sewn into the ball. It’s easy to throw as well. The only thing is he likes to chew them off if he gets free time with the ball. The ball itself is very sturdy. highly recommend, and I’ll be ordering more. We play with this every morning and he’s so excited to take it outside.
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Best for a single dog but quality products
Color: Lake Blue, Size: Large Size 3 (8")
Straps didn’t hold up my two herding dogs did a number on it but it is a quality product the ball itself is still in tact
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Reviewed in the United States on January 15, 2026
★★★★★ 5
its a great fun toy fir all of us
Color: Red-Blue, Size: Medium Size 2 (6")
its very tough so our dogs cant tear it up but soft enough so they get an easy hold. They absolutely love. great dog toy!
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Reviewed in the United States on May 27, 2026
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