Ford Racing 15-18 Mustang Black Lug Nut Kit (20 Lug Nuts) Suspension>Suspension Controllers High-Flow 409 Stainless Steel Muffler:

High-Flow 409 Stainless Steel Muffler: This system features a high-flow 409 stainless steel muffler

moderately aggressive exhaust note under acceleration while maintaining stock levels of in-cabin volume

100% Drop in Replacement Includes Installation Kit and LB7 High Flow Intake Horn No Core Charge

Looking for the ultimate flow increase

7mm (91/83)

Ford Racing 15-18 Mustang Black Lug Nut Kit (20 Lug Nuts) Suspension>Suspension Controllers High-Flow 409 Stainless Steel Muffler:Ford Performance Parts Black Lug Nuts use Physical Vapor Deposition technology (PVD) which provides a scratch and wear resistance finish that ensures a perfect look for an extended period of time under intense use and provides surface wear resistance that cannot be provided by electroplating, anodizing or lacquer.