Aggressive sound, enhanced passing power and boosted fuel mileage combine to trick-out your vehicle in the Flowmaster American Thunder Exhaust System. It’s the quickest, best way to turn your stock vehicle into a muscular performance rod.
The Flowmaster power boost is immediately noticeable, too. You’ll see a 5% to 10% immediate increase in your horsepower on average. Not to mention a 1 to 2 mpg fuel economy improvement—a welcome break for your wallet.
Backing the classic sound and excellent performance is Flowmaster’s outstanding quality and workmanship. All aluminized steel construction for corrosion resistance. Flowmaster’s original 2-chamber performance muffler. Mandrel-bent exhaust pipes for optimum flow. Welded hooks and sturdy mounting hardware. Plus, detailed instructions for straightforward installation.
Best yet, your Flowmaster Exhaust System carries a 1-year warranty.
Specs: LT-1 5.7L with 3.00" Flanged Catalytic Converter, Single 3.00" Outlet, 30 Series Muffler, 3.00" Stainless Tip, American Thunder, Single pipe out the Rear exit (SOR)
Specs: High Output, 5.0L / 5.7L with 3.00" Flanged Single Catalytic Converter, 3.00" Outlet, 30 Series Muffler, Force II, Single Pipe exit out Rear (SOR)
Specs: High Output, 5.0L / 5.7L with 2.50" Flanged, Single Catalytic Converter, 3.00" Outlet, 30 Series Muffler, Force II, Single Pipe exit out Rear (SOR)
Specs: 5.0L, All 3.00" Tubing (After Manifold or "Shorty Header"- Back), Includes Scavenger Off Road Pipe ("X-Pipe" Style) Air Injector / O2 Sensor Provisions & Hardware, Super 40 Series Mufflers, 3.00" Logo Embossed Stainless Tips, American Thunder, DOR, OFF RO
Specs: 5.0L, All 3.00" Tubing (After Manifold or "Shorty Header"- Back), Includes Scavenger Off Road Pipe ("X-Pipe" Style) Air Injector / O2 Sensor Provisions & Hardware, Super 40 Series Mufflers, 3.00" Logo Embossed Stainless Tips, American Thunder, DOR, OFF RO
Specs: 86- 93 Ford Mustang, 5.0L 2.50" Scavenger Off Road Intermediate Pipe Kit ("X-Pipe" Style), Incl. OEM Style Ball Flanges, Hanger Rods, Air Inj. / O2 Sensor Provisions. OFF ROAD AND RACE USE ONLY. (Does Not Include Mufflers Or Tailpipes)
Specs: 1.8L / 2.0L, Non-Turbo, Hard Top Only, Flange-Back, 2.00" Outlet, 60 Series Delta Flow Muffler, 4.00" Logo Embossed Stainless Tip, American Thunder, SOR
Specs: High Output, 5.0L / 5.7L with 2.50" Flanged, Single Catalytic Converter, 3.00" Outlet, 30 Series Muffler, Force II, Single Pipe exit out Rear (SOR)
Specs: High Output, 5.0L / 5.7L with 3.00" Flanged Single Catalytic Converter, 3.00" Outlet, 30 Series Muffler, Force II, Single Pipe exit out Rear (SOR)
Specs: LT-1 5.7L with 3.00" Flanged Catalytic Converter, Single 3.00" Outlet, 30 Series Muffler, 3.00" Stainless Tip, American Thunder, Single pipe out the Rear exit (SOR)
Specs: 2.0L (16V), 2.25" Mandrel Bent Tubing, Hardware Kit, Resonator, 50 Series Delta Flow Muffler, 4.00" Logo Embossed Stainless Tip, Force II, Single Out Rear exit (SOR)