Flowmaster Tuned Cat Back Exhaust Systems for Cars Product images may differ from actual product appearance. The latest technology for the greatest performance Flowmaster exhaust systems improve acceleration, passing ability, and mileage. Every Flowmaster system is individually engineered and dyno-tested for each application. All tubing is mandrel-bent for the best exhaust gas flow; both tubing and mufflers are fabricated from aluminized steel to resist corrosion. Force II systems offer maximum exterior sound under acceleration with minimal interior resonance while cruising. American Thunder systems deliver the aggressive tone you want and the performance you demand. These Flowmaster Systems include: Flowmaster performance muffler(s) All pipes with hangers attached Clamps and all mounting hardware Detailed installation instructions

389-17129

American Thunder Exhaust System 1967-68 Camaro/Firebird except convertible 2.5" pipe from X-member back Dual rear exit Super 44 Series mufflers H-pipe and hardware included More info on Flowmaster 17129 Fits Applications

$339.99 Ships

389-17104

American Thunder Exhaust System 1967-74 Camaro/Firebird except convertible 2.5" pipe from X-member back Dual rear exit 80-series Crossflow muffler H-pipe and hardware included More info on Flowmaster 17104 Fits Applications

$427.99 Ships

389-17149

American Thunder Exhaust System 1970-74 Camaro/Firebird V8 2.5" pipe from X-member back Dual rear exit 50-series Delta Flow mufflers H-pipe and hardware included Installation Diagram View this item Fits Applications

$427.99 Ships

389-17139

American Thunder Exhaust System 1969 Camaro/Firebird V8 2.5" pipe from X-member back Dual rear exit Super 44-series mufflers H-pipe and hardware included Installation Diagram View this item Fits Applications

$439.99 Ships

389-17152

Force II Exhaust System 1986-91 Camaro/Firebird 5.0L/5.7L with single 2.5" cat Single rear exit 30-series muffler Installation Diagram View this item Fits Applications

$291.99 Ships 06/08/12

389-17233

American Thunder Exhaust System 1986-91 Camaro/Firebird 5.0L/5.7L with single 3" cat Dual rear exit 5" x 10" Crossflow muffler Stainless extensions included Installation Diagram View this item Fits Applications

$379.99 Ships

389-17234

1986-91 Camaro/Firebird 5.0L/5.7L With 2.50'' Flanged Cat 3.00 Outlets 5''x10'' 80-Series Crossflow Muffler Stainless Tips American Thunder Series Dual Out Rear Exit View this item Fits Applications

$375.99 Ships

389-17150

Force II Exhaust System 1989-92 Camaro/Firebird 5.0L/5.7L with dual cats Single rear exit 30-series muffler Installation Diagram View this item Fits Applications

$314.99

To order this item contact Customer Service at 1-800-345-4545.

389-17143

American Thunder Exhaust System 1993-95 Camaro/Firebird LT1 Dual rear exit 80-series muffler Installation Diagram View this item Fits Applications

$309.99 Ships

389-17144

American Thunder Exhaust System 1993-95 Camaro/Firebird LT1 Single rear exit 30-series muffler Installation Diagram View this item Fits Applications $9.99

$312.99 Ships 06/08/12

389-17274

American Thunder Exhaust System 1993-95 Camaro/Firebird LT1 Dual rear exit 5" x 10" Crossflow muffler Stainless extensions included Installation Diagram View this item Fits Applications

$401.99 Ships

389-17356

Force II Exhaust System 1993-95 CamaroFirebird 3.4 V6 Dual rear exit 80-series muffler Installation Diagram View this item Fits Applications

$317.99 Ships

389-17133

American Thunder Exhaust System 1995-97 Camaro/Firebird LT1 Dual rear exit 80-series Crossflow muffler Installation Diagram View this item Fits Applications $9.99

$321.99 Ships

389-17357

1995-97 Camaro/Firebird 3.8L With Slip-fit Cat Includes Resonator 2.50'' Outlets 5''x10'' 80-Series Crossflow Muffler 3.00'' Stainless Tips American Thunder Series Dual Out Rear Exit View this item Fits Applications

$357.99 Ships 06/08/12

389-17199

1998-02 Camaro/Firebird 5.7L LS1 Dual 3.00'' Outlet 5''x10'' 80-Series Crossflow Muffler 3.00'' Stainless Tips American Thunder Series Dual Out Rear Exit Installation Diagram View this item Fits Applications

$369.99 Ships

389-17358

1998-02 Camaro/Firebird 3.8L With Slip-fit Cat Includes Resonator 2.50'' Outlets 5''x10'' 80-Series Crossflow Muffler 3.00'' Stainless Tips American Thunder Series Dual Out Rear Exit View this item Fits Applications

$357.99 Ships

389-17154K

Force II Exhaust System 1991 Corvette Dual rear exit 50-series Delta Flow mufflers Requires Y-pipe #389-1013 Installation Diagram View this item

$674.99 Ships 06/08/12

389-17217K

Force II Exhaust System 1992-96 Corvette LT1/LT4 2.5" tubing after dual cats Dual rear exit 50-series Delta Flow mufflers Y-pipe and hardware included Installation Diagram View this item

$750.99 Ships 06/08/12

389-17119

American Thunder Exhaust System 1964-72 A-Body V8 2.5" pipe from X-member back Dual rear exit Super 40-series mufflers H-pipe and hardware included Installation Diagram View this item Fits Applications

$349.99 Ships

389-17107

Tubing Only Kit without Mufflers 1964-72 A-Body V8 2.5" pipe from X-member back Dual rear exit H-pipe and hardware included View this item Fits Applications

$261.99 Ships

389-17102

Force II Exhaust System 1985-87 Grand National/T-Type Dual side exit 80-series Crossflow muffler Installation Diagram View this item Fits Applications

$317.99 Ships 06/08/12

389-17218K

Force II Exhaust System 1994-96 Impala SS 5.7L Dual rear exit 50-series SUV mufflers Resonated tailpipes H-pipe and hardware included Installation Diagram View this item

$718.99 Ships 06/08/12

389-17452

Axle-Back Exhaust System 2005-06 Pontiac GTO Dual rear exit 40-series Delta Flow mufflers View this item Fits Applications

$391.99 Ships

389-17289

American Thunder Exhaust System 1966-67 Ford Fairlane/Mercury Comet V8 except convertible 2.5" pipe from X-member back Dual rear exit 50-series SUV mufflers H-pipe and hardware included View this item Fits Applications

$397.99 Ships

389-817461

2009-12 Challenger RT 5.7L Force II Exhaust System 409S Stainless Steel Construction 2.5" Diameter Super 44 Mufflers Dual out the rear exit View this item Fits Applications

$629.99 Ships