Holley Performance Competition Exhaust Systems Products

	16522HKR 63–72 1/2, 3/4, 1–Ton Truck (2WD), 69–72 Chevy/GMC Blazer/Suburban/Carryall/Yukon/1–Ton Crew Cab (2WD): 265–400 Dual Competition Header Back Exhaust System Kit

	16621HKR 63–72 Chevy/GMC 1/2, 3/4, 1–Ton Truck (2WD), 69–72 Blazer/Suburban/Jimmy/Carryall/Yukon/1–Ton Crew Cab (2WD): 265–400 Dual Competition Manifold Back Exhaust System Kit

	16521HKR 63–82 Corvette: 265–400 Dual Competition Header Back Exhaust System Kit

	16562HKR 65–76 Ford F100/250(2WD), 67–75 F350 (2WD): 352–390 Dual Competition Header Back Exhaust System Kit

	16567HKR 66–77 Ford Bronco (4WD): 255–351W Dual Competition Header Back Exhaust System Kit

	16527HKR 69–72 Blazer/Jimmy/Yukon (4WD): 265–400 Dual Competition Header Back Exhaust System Kit

	16564HKR 69–76 Ford F100/150 (4WD): 352–390 Dual Competition Header Back Exhaust System Kit

	16541HKR 70–79 Firebird: 350–455 Dual Competition Header Back Exhaust System Kit

	16619HKR 70–81 Camaro, 68–79 Nova, 70–81 Firebird: 265–400 Dual Competition Manifold Back Exhaust System Kit

	16520HKR 70–81 Camaro, 68–79 Nova, 78–81 Firebird: 265–400 Dual Competition Header Back Exhaust System Kit

	16552HKR 70–93 Dodge/Plymouth 1/2, 3/4 Ton Trucks (2WD & 4WD): 318–360 Dual Competition Header Back Exhaust System Kit

	16652HKR 70–93 Dodge/Plymouth 1/2, 3/4 Ton Trucks (2WD & 4WD): 318–360 Dual Competition Manifold Back Exhaust System Kit

	16551HKR 72–93 Dodge/Plymouth Ramcharger/Trailduster: 318–360 Dual Competition Header Back Exhaust System Kit

	16523HKR 73–87 1/2, 3/4, 1–Ton truck (2WD), 73–91 Chevy/GMC Blazer/Suburban/Jimmy/Carryall/Yukon/1–Ton Crew Cab (2WD): 265–400 Dual Competition Header Back Exhaust System Kit

	16526HKR 73–87 1/2, 3/4, 1–Ton Truck (4WD): 265–400 Dual Competition Header Back Exhaust System Kit

	16524HKR 73–87 1/2, 3/4, 1–Ton Truck: 396–502 Dual Competition Header Back Exhaust System Kit

	16622HKR 73–87 Chevy/GMC 1/2, 3/4, 1–Ton Truck (2WD), 73–91 Blazer/Jimmy//Suburban/Carryall/Yukon/1–Ton Crew Cab (2WD): 265–400 Dual Competition Manifold Back Exhaust System Kit

	16528HKR 73–91 Blazer/Jimmy/Yukon (4WD): 265–400 Dual Competition Header Back Exhaust System Kit

	16624HKR 73–91 Chevy/GMC Blazer/Jimmy/Yukon (4WD): 265–400 Dual Competition Manifold Back Exhaust System Kit

	16561HKR 77–79 Ford F150 (4WD), 771/2–79 F–250 Low Profile/F350 (4WD), 78–79 Bronco (4WD): 351–400M Dual Competition Header Back Exhaust System Kit

	16566HKR 79–93 Mustang/Capri (GT or LX): 255–302W Dual Competition Header Back Exhaust System Kit

	16666HKR 79–93 Mustang/Capri (GT or LX): 255–302W Dual Competition Manifold Back Exhaust System Kit

	16665HKR 80–95 Ford F100/150/250 (2WD & 4WD): 255–302W Dual Competition Manifold Back Exhaust System Kit

	16565HKR 80–95 Ford F100/150/250 (2WD & 4WD):255–302W Dual Competition Header Back Exhaust System Kit

	16532HKR 88–95 Chevy/GMC 1500/2500/3500 Truck (2WD), 92–95 Chevy/GMC Blazer/Suburban/Jimmy/Carryall/Yukon/1–Ton Crew Cab (2WD): 265–400 Dual Competition Header Back Exhaust System Kit

	16533HKR 88–95 Chevy/GMC Truck 1500/2500/3500 (4WD), 92–95 Chevy/GMC Blazer/Jimmy/Yukon (4WD): 265–400 Dual Competition Header Back Exhaust System Kit

	16623HKR Chevy/GMC 1/2, 3/4, 1–Ton Truck (4WD): 265–400 Dual Competition Manifold Back Exhaust System Kit

	16626HKR D73–87 Chevy/GMC 1/2, 3/4, 1–Ton Truck (2WD, 73–91 Blazer/Suburban/Jimmy/Carryall/Yukon/1–Ton Crew Cab Trucks (2WD)): 396–502 Dual Competition Manifold Back Exhaust System Kit

	16661HKR Ford 77–79 F150 (4WD), 77 1/2–70 F250 Low Profile, F350 (4WD), 78–79 Bronco:351–400M, 66–77 Bronco: 255–302W Dual Competition Manifold Back Exhaust System Kit

	16500HKR Universal Application Dual Competition Header Back Exhaust System Kit