300-301,302,303,REPLACEMENT HARDWARE KIT 508-40 radiators-and-accessories This bolt-on DOR/DOS (Dual Out

This bolt-on DOR/DOS (Dual Out Rear or Dual Out Side) emissions-legal exhaust system features 16-gauge mandrel-bent aluminized steel tubing flowing into a specially designed Super 40™ Series performance muffler with dual 2

3L V8 1976 Pontiac Firebird Formula 350/5

This is a direct fit replacement for the restrictive OEM factory resonator and will improve the sound of your mustang as well as increase the performance

50-inch mandrel-bent stainless steel tubing and includes an H-pipe to balance the exhaust pulses and to eliminate back-rap on deceleration

300-301,302,303,REPLACEMENT HARDWARE KIT 508-40 radiators-and-accessories This bolt-on DOR/DOS (Dual Out300 301,302,303,REPLACEMENT HARDWARE KIT 300 301,302,303,REPLACEMENT HARDWARE KIT Features: Genuine Holley Quality Parts 300 301,302,303,REPLACEMENT HARDWARE KIT Specs: Brand Holley Clearance Category Air and Fuel Delivery Discount Percentage 26 50% Emission Code 3 Grade Type Performance Product Type Intake Component Type of Component Hardware Kit Warranty Limited 90 Day