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Description
STI PERFORMANCE MUFFLER (Low back pressure) For WRX S4 (VA) ST44300VV030Brand STI Product PERFORMANCE MUFFLER (Low back pressure) Product Number ST44300VV030 Description This high performance muffler boasts low back pressure, an approximately 16% lower airflow resistance, and a weight reduction of approximately 1. 9 kg compared to the standard models. While complying with the safety standards and Type 1 after market muffler performance tests, this muffler increases acceleration performance by approximately 2%, and makes
| Brand | STI |
| Product | PERFORMANCE MUFFLER (Low back pressure) |
| Product Number | ST44300VV030 |
| Description | This high-performance muffler boasts low back pressure, an approximately 16% lower airflow resistance, and a weight reduction of approximately 1.9 kg compared to the standard models. While complying with the safety standards and Type 1 after-market muffler performance tests, this muffler increases acceleration performance by approximately 2%, and makes the engine more responsive to the operation of the accelerator. This gives the driver of the performance-oriented SUBARU WRX model a sense of integration with the vehicle. In addition, the exhaust sound is tuned specifically to a sporty feel and high-quality sound that fits the character of SUBARU WRX. |
| Compatible Vehicle | WRX S4 (VA) |
| Compatible Models |
Model adaptation symbol: A 2014/08 / -2015 / 05 / STI (AWD / 6MT) ___ STI with a large spoiler (AWD / 6MT) ___ STI Type-S with a large spoiler (AWD / 6MT) ___ model adaptation symbol: B 2015/06 / -2016 / 05 / STI (AWD / 6MT) ___ STI ASP (AWD / 6MT) ___ S207 (AWD / 6MT) - S207 ASP (AWD / 6MT) - with STI large spoiler (AWD / 6MT) ___ STI ASP with a large spoiler (AWD / 6MT) ___ STI Type-S with a large spoiler (AWD / 6MT) ___ STI Type-S with ASP large spoiler (AWD / 6MT) ___ model adaptation symbol: C 2016/06 / - 2017/05 / STI (AWD / 6MT) ___ STI ASP (AWD / 6MT) ___ with STI large spoiler (AWD / 6MT) ___ STI with ASP large spoiler (AWD / 6MT) ___ STI Type-S with a large spoiler (AWD / 6MT) ___ STI Type-S with ASP large spoiler (AWD / 6MT) ___ model adaptation symbol:D 2017/06 / - WRX STI (AWD / 6MT) ___ WRX STI ASP (AWD / 6MT) ___ WRX with STI large spoiler (AWD / 6MT) ___ WRX STI with ASP large spoiler (AWD / 6MT) ___ WRX STI Type- S 19 inch flat-tire (AWD / 6MT) ___ WRX STIType-S ASP 19 inch flat-tire (AWD / 6MT) ___ WRX STI Type-S 19 inch flat tire with a large spoiler (AWD / 6MT) ___ WRX STI Type -S ASP large spoiler 19 inches with tire (AWD / 6MT) ___
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| Remarks | * It meets safety standards and aftermarket noise regulations. * Two gaskets (SUBARU genuine Part No. 44011SG010) and four self-locking nuts (SUBARU genuine Part No. 902330011) are required separately. * This product can not be installed along with the SUBARU genuine exhaust finisher. * 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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4.4 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Was good for the price .
Size: 3X-Large, Color: Dark Black
The tux fit correctly by using the size chart on the product window I used.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Excellent quality
Size: Large, Color: Purple
Perfect tuxedo to use for many functions. Got it about 2 years ago and have used it probably twice for galas as well as awards programs. Fits to size and didn’t break the bank. Texture is good and it is easy to pair with anything as well as is reusable.
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Reviewed in the United States on January 20, 2026
★★★★★ 4
Looovveeee it!!
Size: Medium, Color: Royal Blue, Size: Medium, Color: Royal Blue
The suit is amazing!! I just hate it arrived 3 days before prom after being delayed twice. It fit my son great, the blue was exactly as shown. It was not wrinkled or funny smelling at all. The material was very good and it will last a while. My son is 5’11, 150lbs, size medium
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Beautiful tux!
Size: Large, Color: Purple, Size: Large, Color: Purple
I only needed to get the pants hemmed and the tux looked AMAZING on me!
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Reviewed in the United States on May 29, 2026
★★★★★ 1
Misleading
Size: Small, Color: Brown
This is a very horrible material and poorly made suit, I have never bought anything this bad in amazon before, the crazy thing is that I returned this thing to get a refund and they shipped back the exact same garbage back to me.
I clearly do not like anything about it, this is a misleading advert
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Reviewed in the United States on June 3, 2026