This BORLA® H-Pipe assembly is designed to replace the Merge X-Pipe in BORLA® 3" Cat-Back™ systems 140742, 140743, 140745, 140746, 140960, 140961, 140962, 140963, 140964, 140965, 140969, and 140970 (all tip options) ONLY. Part is 21" Long x 7.4" Wide x 3" High. Inlets are 3” O.D., Pipes are 3" O.D., Outlets are 3” I.D. The H-Pipe blends the combustion pulses from both sides of the engine for improved performance. The H-Pipe provides an aggressive custom sound that only a system with an H-Pipe can produce. The BORLA® logo is laser eteched on the balance tube. Includes 2) 2.5" clamps. Built from premium T-304 stainless steel, superior to T-400 series (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA® stands behind every H-Pipe with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.