For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.Features: Mandrel Bent 16 Gauge Aluminized Tubing 3 Year Limited Warranty Moderate to Aggressive Exterior Exhaust Tone Includes Hangers and Hardware For Easy Installation Connects After Factory Catalytic Converter Single Out Rear Exit Dyno Tuned for Maximum PerformanceProduct Description: '70-'74 Chev. Camaro / Pontiac Firebird, V-8, All 2.50" Mandrel Bent Tubing From Trans X-Member Back, Incl. H-Pipe, Hardware, 3.00" x 10.00" 50 Series Delta Flow Mufflers, Stainless Tips, American Thunder, DOR, 16 Gauge Aluminized SteelPit Stop USA offers Flowmaster American Thunder Dual Exhaust System - 1970-74 Camaro/Firebird V8 17149 at low everyday prices. Be sure to check out all our products from Flowmaster including Flowmaster Chevrolet Camaro (2nd Gen) Exhaust Pipes, Systems, And Components, Flowmaster Chevrolet Camaro Exhaust Systems and Flowmaster Pontiac Firebird (2nd Gen) Exhaust Systems.