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Description
STI PERFORMANCE MUFFLER (Low back pressure) For FORESTER (SJ) ST44300SF040Brand STI Product PERFORMANCE MUFFLER (Low back pressure) Product Number ST44300SF040 Description This high performance muffler boasts an airflow resistance that is at least 25% lower compared to the standard models, lower back pressure, and weighs approximately 2. 7 kg less compared to standard vehicles. While complying with the safety standards and Type 1 after market muffler performance tests, this muffler makes the engine more responsive to the
| Brand | STI |
| Product | PERFORMANCE MUFFLER (Low back pressure) |
| Product Number | ST44300SF040 |
| Description | This high-performance muffler boasts an airflow resistance that is at least 25% lower compared to the standard models, lower back pressure, and weighs approximately 2.7 kg less compared to standard vehicles. While complying with the safety standards and Type 1 after-market muffler performance tests, this muffler makes the engine more responsive to the operation of the accelerator. This gives the driver of the performance-oriented FORESTER a sense of integration with the vehicle. The slash cut tail pipes (two pipes, 101.6 mm in diameter) give the back of the vehicle a more intense, refined look. It is tuned by STI and has a safe and reliable structure that will not affect the power unit or exhaust system. In addition, the exhaust sound is tuned specifically to a sporty feel and high -quality sound that fits the character of the FORESTER. |
| Compatible Vehicle | FORESTER (SJ) |
| Compatible Models |
Model adaptation symbol: A 2012 year from November to October 2013 2.0i (AWD / 6MT) - 2.0i (AWD / CVT) - 2.0iL (AWD / 6MT) - 2.0iL (AWD / CVT) - 2.0iL ES (AWD / CVT) - 2.0iL ES with roof rail (AWD / CVT) - 2.0iS ES (AWD / CVT) - 2.0iS ES with roof rail (AWD / CVT) - 2.0XT (AWD / CVT) ___ 2.0XT ES (AWD / CVT) ___ 2.0XT ES with roof rail (AWD / CVT) ___ model adaptation symbol: B 2013 November 2014 October 2.0i (AWD / 6MT) - 2.0i (AWD / CVT) - 2.0iL (AWD / 6MT) - 2.0iL (AWD / CVT) - 2.0iL ES (AWD / CVT) - 2.0iL ES with roof rail (AWD / CVT) - 2.0iL ES X-BREAK with roof rail (AWD / CVT) - 2.0iS ES (AWD / CVT) - 2.0iS ES with roof rail (AWD / CVT) - 2.0XT (AWD / CVT) ___ 2.0XT ES (AWD / CVT) ___ 2.0XT ES Advantage Line (AWD / CVT) ___ 2.0XT ES with roof rail (AWD / CVT) ___ 2.0XT ES Advantage Line with roof rail (AWD / CVT) ___ model adaptation symbol:C 2014 November to 2015 October 2.0i (AWD / 6MT) - 2.0i (AWD / CVT) - 2.0iL (AWD / 6MT) - 2.0iL (AWD / CVT) - 2.0iL ES (AWD / CVT) - 2.0iL ES Proud Edition (AWD / CVT) - 2.0iL ES with roof rail (AWD / CVT) - X-BREAK (AWD / CVT) - S-Limited (AWD / CVT) - S-Limited with roof rail (AWD / CVT) - 2.0XT ES (AWD / CVT) ___ 2.0XT ES tS (AWD / CVT) ___ 2.0XT ES with roof rail (AWD / CVT) ___ model adaptation symbol: D 2015 November - 2017 02 May 2.0i (AWD / 6MT) - 2.0i (AWD / CVT) - 2.0iL (AWD / 6MT) - 2.0iL (AWD / CVT) - 2.0iL ES (AWD / CVT) - 2.0iL ES with roof rail (AWD / CVT) - X-BREAK (AWD / CVT) - S-Limited (AWD / CVT) - S-Limited Brown Leather Selection (AWD / CVT) - S-Limited with roof rail (AWD / CVT) - S-Limited Brown Leather Selection roof rail (AWD / CVT) - 2.0XT ES (AWD / CVT) ___ 2.0XT ES Brown Leather Selection (AWD / CVT) ___ 2.0XT ES with roof rail (AWD / CVT) ___ 2.0XT ES Brown Leather Selection with roof rail (AWD / CVT) ___ model adaptation symbol: E 2017 Mar ~ 2.0i (AWD / CVT) - 2.0iL (AWD / 6MT) - 2.0iL ES (AWD / CVT) - 2.0iL ES ASP (AWD / CVT) - 2.0iL ES (roof rails) (AWD / CVT) - 2.0iL ES ASP (roof rails) (AWD / CVT) - X-BREAK ( AWD / CVT) - X-BREAK ASP (AWD / CVT) - S-LIMITED (AWD / CVT) - S-LIMITED ASP (AWD / CVT) - S-LIMITED (roof rails) (AWD / CVT) - S-LIMITED ASP (roof rails) (AWD / CVT) - 2.0XT ES ASP (AWD / CVT) ___ 2.0XT ES ASP (roof rails) (AWD / CVT) ___ 0XT ES ASP (roof rails) (AWD / CVT) ___ 0XT ES ASP (roof rails) (AWD / CVT) ___0iL ES (roof rails) (AWD / CVT) - 2.0iL ES ASP (roof rails) (AWD / CVT) - X-BREAK (AWD / CVT) - X-BREAK ASP (AWD / CVT) - S-LIMITED (AWD / CVT) - S-LIMITED ASP (AWD / CVT) - S-LIMITED (roof rails) (AWD / CVT) - S-LIMITED ASP (roof rails) (AWD / CVT) - 2.0XT ES ASP (AWD / CVT) ___ 2.0XT ES ASP (roof rails) (AWD / CVT) ___ 0XT ES ASP (roof rails) (AWD / CVT) ___ 0XT ES ASP (roof rails) (AWD / CVT) ___0iL ES (roof rails) (AWD / CVT) - 2.0iL ES ASP (roof rails) (AWD / CVT) - X-BREAK (AWD / CVT) - X-BREAK ASP (AWD / CVT) - S-LIMITED (AWD / CVT) - S-LIMITED ASP (AWD / CVT) - S-LIMITED (roof rails) (AWD / CVT) - S-LIMITED ASP (roof rails) (AWD / CVT) - 2.0XT ES ASP (AWD / CVT) ___ 2.0XT ES ASP (roof rails) (AWD / CVT) ___ 0XT ES ASP (roof rails) (AWD / CVT) ___ 0XT ES ASP (roof rails) (AWD / CVT) ___
|
| Remarks | * This product can not be installed along with the SUBARU genuine rear bumper skirt and / or rear under guard. * Two gaskets (SUBARU genuine Part No. 44011SG010) and four self-locking nuts (SUBARU genuine Part No. 902330011) are required separately . * Replacement muffler certified by the Ministry of Land, Infrastructure, Transport and Tourism. (Pre-authentication system) * 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 2308 reviews
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Product Reviews
★★★★★ 4
Great value
Size: 18-26 Expedition, 15-26 F-150, 18-26 Navigator
The engine air filter fit perfect. The cabin air filter was a bit of a challenge fitting. seemed to be a bit larger but it went in and got the cap back on the box. For the price you cant beat it. Would buy again!
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great Filter Set for Allergy‑Sensitive Families and MPG‑Minded Drivers
Size: 21-25 TLX, 18-25 Odyssey
I bought this set because I prefer handling routine maintenance myself, especially cabin and engine air filters, rather than paying dealership prices for simple jobs. The package included one cabin air filter and one engine air filter, plus a full backup set for the next service interval.
Both filters installed easily and fit the 2018 Honda Odyssey exactly as expected. No trimming, no forcing, and no alignment issues. The cabin filter seated cleanly in the glove‑box housing, and the engine filter dropped into the airbox without any airflow restriction or sealing gaps.
This setup is ideal for Odyssey owners who want to maintain optimal cabin air quality—especially helpful for families with allergies—and for drivers looking to keep engine airflow unrestricted for the best possible MPG and throttle response. It may not be necessary for anyone who relies exclusively on dealership service or doesn’t perform their own maintenance.
Overall, this is a straightforward, high‑value filter set that installs cleanly and supports both air quality and engine efficiency for DIY‑minded Odyssey owners.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Auto air filters
Size: 16-22 Pilot, 14-16 MDX
Perfect - product great - installation easy and much cheaper than having dealer or auto shop do it ——
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Perfect fit
This filter was a perfect fit on my 2024. CR V. I took the the old one out and this one just fell into place. I is good quality and was equal to or better than the Honda OEM
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Looks good and fits
It looks good and fits perfectly; other than that, I have no idea how to tell if it's better or worse than anything else.
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Reviewed in the United States on April 29, 2026