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Description
STI PERFORMANCE MUFFLER (Low back pressure) For SUBARU BRZ (ZC) ST44300AS010Brand STI Product PERFORMANCE MUFFLER (Low back pressure) Product Number ST44300AS010 Description This high performance muffler boasts low back pressure and an approximately 13% lower airflow resistance compared to the standard models. This muffler has a 120 mm double walled, slash cut tail pipe with one exhaust to the left and right. It gives the rear of the vehicle a high quality sporty look. It uses a dual structure with a tubular pre silencer and
| Brand | STI |
| Product | PERFORMANCE MUFFLER (Low back pressure) |
| Product Number | ST44300AS010 |
| Description | This high-performance muffler boasts low back pressure and an approximately 13% lower airflow resistance compared to the standard models. This muffler has a 120-mm double-walled, slash cut tail pipe with one exhaust to the left and right. It gives the rear of the vehicle a high-quality sporty look. It uses a dual structure with a tubular pre-silencer and main silencer arranged in parallel front to back. The exhaust is specially tuned to give a pleasant, high-quality sound that perfectly fits the character of the SUBARU BRZ. It is able to be installed in combination with the SUBARU genuine rear under diffuser. |
| Compatible Vehicle | SUBARU BRZ (ZC) |
| Compatible Models |
Model adaptation symbol: A 2012/03 / -2013 / 09 / RA (RWD / 6MT) ___ RA Racing (RWD / 6MT) - R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ model adaptation symbol: B 2013/09 / -2014 / 06 / RA (RWD / 6MT) ___ RA Racing (RWD / 6MT) - R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ model adaptation symbol: C 2014/07 / -2015 / 01 / RA (RWD / 6MT) ___ RA Racing (RWD / 6MT) - R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ model adaptation symbol: D 2015/02 / -2016 / 07 / RA Racing (RWD / 6MT) - R Customize Package (RWD / 6MT ) ___ R Customize Package (RWD / 6AT) ___ R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ model adaptation symbol: E 2016/07 / - RA Racing (RWD / 6MT) - R CustomizePackage (RWD / 6MT) - R (RWD / 6MT) - R (RWD / 6AT) - S (RWD / 6MT) - S (RWD / 6AT) - GT (RWD / 6MT) - GT Yellow E (RWD / 6MT) - GT (RWD / 6AT) - GT Yellow E (RWD / 6AT) -
|
| Remarks | * It meets safety standards and aftermarket noise regulations * For installation, SUBARU genuine parts are needed as follows:. Gasket (Part number: 44022AA131) x 1 Self lock nut (Part number: 902330011) x 2 Muffler cushion (Part number: 44066AJ010) x 2 * For A, B, C, D type only. The shape of flange is different so it can not be installed on E type and thereafter models. For E type and thereafter models, use Part No. ST44300AS020. * 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.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 1672 reviews
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Product Reviews
★★★★★ 5
Fantastic product... fantastic fit !
Size: X-Large, Color: Black
First off, China got this product from their country to ours, then to my hometown.... faster than my own post office could get it across town after much bickering. So... thank you to the Chinese. Complaints about America being better... then start doing better. Secondly the coat was far superior than I even suspected. It fit well and I cannot wait until cooler weather to break it out ! Again... thank you China ! Highly recommend this product.
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Reviewed in the United States on August 25, 2021
★★★★★ 5
I Wore These So Much I Almost Forgot I Owned Other Pants
Size: 48W x 32L, Color: Dark Rinse
I've been on a lifelong quest for the perfect pair of everyday jeans—durable enough for yard work, comfortable enough for a long car ride, and presentable enough to run errands without looking like I've given up on life. Having worn everything from high-end designer denim to discount store brands, I approached these Wrangler Authentics with a healthy dose of skepticism, especially given the price. I'm now a convert. I've had these jeans for about four months, and they've been my go-to for everything from building a shed to grabbing coffee.
The relaxed fit is exactly what it promises: not baggy, but with plenty of room where it counts. The cotton fabric feels sturdy but not stiff, and they've held up to numerous washes without any noticeable pilling or significant color fade. They’re a workhorse of a garment, and for the price I paid, the value is simply unbeatable. I got a quality product that feels like it should cost twice as much.
Pros:
Exceptional Value: The quality far exceeds the price point.
Comfortable & Relaxed Fit: Provides ample room for movement without looking sloppy.
Durable Fabric: Holds up well to physical activity and repeated washing.
Classic Style: A timeless look that works for almost any casual occasion.
Cons:
So Comfortable They're Addictive: They may cause you to neglect all other pairs of pants in your closet.
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Reviewed in the United States on September 23, 2025
★★★★★ 5
Great jeans
Size: 44W x 29L, Color: Black
Great jeans that look like you dressed up. Fit well and the color is a true black.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
Great jeans
Size: 36W x 29L, Color: Dark Stonewash
Great jeans great fit
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Fits to size. Nice quality. Heavy denim
Size: 33W x 32L, Color: Dark Stonewash
My husband lives his jeans. Perfect fit
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Reviewed in the United States on June 11, 2026