T-304 Stainless Steel Construction Single 2.5" to Dual 2.25" S-Type Sound Level No Drone Bolt-On Installation Works with Factory Valance Exhaust Tips. Each BORLA® Exhaust System is built from premium T-304 austenitic stainless steel to give you the absolute best in performance and durability. Best of all, BORLA® stands behind every system with a Million-Mile Warranty. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
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