Borla40004SMufflerCompact size is perfect for applications with limited space. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. There is no logo embossment on this part. Hands down, Borla's XR-1 race line parts offer the best balance of sound and power. Best of all, it's made in the USA. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.Whether you're drag racing or Circle Track racing, Borla has an XR-1 racing muffler for you. In fact, the 16 in. Shootout mufflers are rated the highest-flowing mufflers on the market. Features include: * Straight-through design for maximum flow * Aircraft-quality T-304 stainless steel construction for reduced weight that will never rust * All-welded, one-piece design for increased structural integrity * Stainless steel, sound-absorbing material to protect against burnout