Review on 🏎️ High-Performance Race Muffler 854063-12 4.0" In(O)/Out(O) from Flowmaster's 60 Series by Kenji Bryant

This muffler not only enhances the sound of my car but improves its overall performance as well. The installation was easy and the quality of material is top-notch. The increase in horsepower is noticeable and the exhaust note is perfect. The only downside is that it may be a bit pricey compared to other mufflers in the market, but you truly get what you pay for with this high-performance product.