--- product_id: 16896198 title: "Vibrant Performance Vibrant 1147 Streetpower Black Flat Oval Muffler, 20 inches" brand: "vibrant performance" price: "10511808₫" currency: VND in_stock: true reviews_count: 8 category: "Vibrant Performance" url: https://www.desertcart.vn/products/16896198-vibrant-performance-vibrant-1147-streetpower-black-flat-oval-muffler-20 store_origin: VN region: Vietnam --- # True straight-through core for max flow Compact 20-inch design, easy install T304 stainless steel, corrosion resistant Vibrant Performance Vibrant 1147 Streetpower Black Flat Oval Muffler, 20 inches **Brand:** vibrant performance **Price:** 10511808₫ **Availability:** ✅ In Stock ## Summary > 🔥 Elevate your ride’s roar with precision and style! ## Quick Answers - **What is this?** Vibrant Performance Vibrant 1147 Streetpower Black Flat Oval Muffler, 20 inches by vibrant performance - **How much does it cost?** 10511808₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/16896198-vibrant-performance-vibrant-1147-streetpower-black-flat-oval-muffler-20) ## Best For - vibrant performance enthusiasts ## Why This Product - Trusted vibrant performance brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Crafted from premium T304 stainless steel for unmatched durability and corrosion resistance—ride worry-free for years. - • **Confidence Guaranteed:** Backed by a 5-year limited warranty, because Vibrant Performance stands behind every mile you conquer. - • **Noise Control Mastery:** Expertly designed to minimize noise without sacrificing power, giving you that aggressive sound with refined control. - • **Compact & User-Friendly:** Sleek 20-inch oval design fits tight spaces and installs effortlessly, perfect for custom or street setups. - • **Precision Engineered Flow:** True straight-through perforated internals ensure zero performance loss while delivering that deep, bass-y exhaust tone. ## Overview The Vibrant Performance 1147 Streetpower Black Flat Oval Muffler is a 20-inch, T304 stainless steel exhaust component featuring a true straight-through perforated core that maximizes flow and minimizes noise. Compact and easy to install, it delivers a deep, bass-rich tone ideal for performance enthusiasts seeking power without compromise. Supported by a 5-year limited warranty, this muffler balances aggressive sound with durability and reliability. ## Description Vibrant Streetpower Black Flat Oval Muffler is designed to minimize the noise produced by the vehicle’s operating system. It is constructed from T304 stainless steel and features a "True Straight Through" perforated core to avoid performance loss. This muffler is compact, easy to install and is Five year limited warranty. Review: takes some time to break in. - I put together a custom exhaust on a 2001 accord with an H22A swap using this muffler. Used 3" stainless piping, this product and a Vibrant 1142 3" Ultra Quiet Resonator. The car feels great to drive now, definite power improvement, but the amount of drone and interior vibrations are unbearable, lol. My fault for thinking a straight through muffler could be decently quiet. The exhaust tone is very low and bass-y, can feel it in my chest standing behind the car. There is a bit of rasp but the overall tone is pretty nice. Used a spectrum analyzer app, sound level peaks at 75-115 Hz. I would not recommend this product for a daily driven car without some extra resonators, e.g. helmholtz. EDIT: After 5,000 miles the volume of the exhaust has settled significantly. There's still a little drone but the experience is completely different. It's not as loud, the floor doesn't vibrate any longer, I get surprised by how quiet it is while idling. The tone is still deep and low just not as loud when idling or cruising. I changed my rating from 3 stars to 5 because while my exhaust is still 'loud' by any standard, it's hard to believe its not louder considering it's a three inch 100% "straight through" exhaust (no baffles anywhere). These mufflers are doing a lot of work and are doing a good job. Review: Sounds great - Perfect for a sleek unsuspecting setup. Nice deep tone in my opinion. I have this coupled with an ultra quiet resonator, running 3”s all the way through. I do this or very similar on all my setups and I have always been pleased. You may end up with some drone depending on your setup, but if you have it far enough back it shouldn’t be an issue. No raspiness at all as far as i can tell from in the car. 5/5 I’ll buy again for my next car ## Features - Designed to minimize noise - Constructed from t304 stainless steel - Features "true straight through" perforated internals - Compact and easy to install - Five year limited warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001804VDI | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #780,135 in Automotive ( See Top 100 in Automotive ) #264 in Automotive Performance Exhaust Mufflers #15,771 in Automotive Emission & Exhaust Products | | Brand Name | Vibrant Performance | | Configuration | Center/Center | | Customer Reviews | 4.8 4.8 out of 5 stars (112) | | Global Trade Identification Number | 00690092118242 | | Included Components | Per Item Description | | Inlet Connection Size | 20 Inches | | Item Dimensions | 25 x 10 x 10 inches | | Item Weight | 0.01 Ounces | | Manufacturer | Vibrant Performance | | Manufacturer Part Number | 1147 | | Manufacturer Warranty Description | 30 Days | | Material Type | Stainless Steel | | Model Number | 1147 | | OEM Equivalent Part Number | 1147 | | Outlet Connection Size | 20 Inches | | Part Interchange Info | 1147 | | Shape | Oval | | UPC | 608067636189 690092118242 | ## Product Details - **Brand:** Vibrant Performance - **Configuration:** Center/Center - **Item Weight:** 0.01 Ounces - **Item dimensions L x W x H:** 25 x 10 x 10 inches - **Material:** Stainless Steel ## Images ![Vibrant Performance Vibrant 1147 Streetpower Black Flat Oval Muffler, 20 inches - Image 1](https://m.media-amazon.com/images/I/517vsIorARL.jpg) ## Questions & Answers **Q: Is this muffler a true vibrant product come and comes in it's original vibrant box thanks** A: Yes **Q: Is it 3 inches in Inlet and 3 inches in Outlet?** A: Yes **Q: What is the inlet and outlet dimension on the 1147?** A: 3in and out **Q: What is the inlet size?** A: This has a 3" inlet. Please let us know if you have any other questions! - Shanna ## Customer Reviews ### ⭐⭐⭐⭐⭐ takes some time to break in. *by R***A on December 19, 2019* I put together a custom exhaust on a 2001 accord with an H22A swap using this muffler. Used 3" stainless piping, this product and a Vibrant 1142 3" Ultra Quiet Resonator. The car feels great to drive now, definite power improvement, but the amount of drone and interior vibrations are unbearable, lol. My fault for thinking a straight through muffler could be decently quiet. The exhaust tone is very low and bass-y, can feel it in my chest standing behind the car. There is a bit of rasp but the overall tone is pretty nice. Used a spectrum analyzer app, sound level peaks at 75-115 Hz. I would not recommend this product for a daily driven car without some extra resonators, e.g. helmholtz. EDIT: After 5,000 miles the volume of the exhaust has settled significantly. There's still a little drone but the experience is completely different. It's not as loud, the floor doesn't vibrate any longer, I get surprised by how quiet it is while idling. The tone is still deep and low just not as loud when idling or cruising. I changed my rating from 3 stars to 5 because while my exhaust is still 'loud' by any standard, it's hard to believe its not louder considering it's a three inch 100% "straight through" exhaust (no baffles anywhere). These mufflers are doing a lot of work and are doing a good job. ### ⭐⭐⭐⭐⭐ Sounds great *by T***Y on May 14, 2025* Perfect for a sleek unsuspecting setup. Nice deep tone in my opinion. I have this coupled with an ultra quiet resonator, running 3”s all the way through. I do this or very similar on all my setups and I have always been pleased. You may end up with some drone depending on your setup, but if you have it far enough back it shouldn’t be an issue. No raspiness at all as far as i can tell from in the car. 5/5 I’ll buy again for my next car ### ⭐⭐⭐⭐⭐ This muffler is awesome *by J***S on December 9, 2021* This product is well made. IT WAS INSTALLED THE SAME DAY. ITS NOT VERY LOUD MUCH BETTER THAN THE STOCK ONE..THE TONE IS VERY DEEP...NO DRONE. THE PRICE AND CONDITION WAS GREAT FOR A USED PRODUCT.. ## Frequently Bought Together - Vibrant Performance Vibrant 1147 Streetpower Black Flat Oval Muffler, 20 inches - Vibrant Performance 1142 3" Ultra Quiet Resonator - GaeaAuto 2 X 3 inch Quick Release V Band Clamp with Male Female Flanges 304 Stainless Steel for Turbo Downpipes, 2 Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/16896198-vibrant-performance-vibrant-1147-streetpower-black-flat-oval-muffler-20](https://www.desertcart.vn/products/16896198-vibrant-performance-vibrant-1147-streetpower-black-flat-oval-muffler-20) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-18*