Description
Performance Exhaust Upgrade. The Flowmaster American Thunder Dual Exhaust System with Polished Tips and Side Exit enhances the exhaust note with a blend of aggressive exterior and moderate interior sound levels. It improves exhaust flow for increased performance, making it ideal for enthusiasts seeking a durable and stylish upgrade. This system is perfectly suited for side exit installation while maintaining a refined sound inside the cab.
Construction and Appearance. Crafted from heavy 16-gauge mandrel-bent aluminized steel tubing, this system offers long-lasting corrosion resistance and durability. It features dual polished 3.00-inch high-quality 304 stainless steel tips embossed with the Flowmaster name, providing a sleek and polished finish that complements the vehicle’s exterior.
Installation. Designed for straightforward, bolt-on installation using factory hanger locations, this system includes all necessary hardware and instructions. No cutting or drilling is required, allowing easy installation for most users.
Warranty. This exhaust system is backed by a 3-year limited warranty, assuring confidence in its build quality and performance.
Application. Specifically designed to fit 2007-2008 Chevrolet Tahoe and GMC Yukon with 4.8L or 5.3L engine configurations, this system supports both 2WD and 4WD. It is tailored for these models without modifications needed.
Flowmaster 17430
CA Residents: WARNING: Cancer and Reproductive Harm
- Fits 2007-2008 Chevrolet Tahoe and GMC Yukon with 4.8L or 5.3L Engine
- Compatible with 2 and 4 Wheel Drive Configurations
- Aggressive Exterior Sound with Moderate Interior Tone
- Heavy 16-Gauge Mandrel-Bent Aluminized Steel Tubing for Durability and Performance
- Includes Super 50 Series Chambered Performance Muffler
- Dual 2.50-Inch Tailpipes Clear Factory Spare Tire and Use Factory Hanger Locations
- Exits on Sides Behind Rear Wheels
- Polished 3.00-Inch 304 Stainless Steel Tips Embossed with Flowmaster Name
- Includes All Necessary Parts, Hardware, and Instructions for Easy Home Installation
- Covered by 3-Year Limited Warranty
- California Emissions Legal and CARB Compliant
- Does Not Include Catalytic Converter
- Dyno Tuned for Maximum Performance
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides or Rear – After Tire |
| Exhaust Loudness | Aggressive |






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