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Shipping is free via UPS Ground or 3-Day Select for orders of $25 or more (excludes transmissions). If the transit time using UPS Ground Shipping will exceed 3 days to your location, we will upgrade the shipping service to UPS 3-Day Select, at no cost to you.

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Exhaust Systems / Kits - American Thunder
Header-back System - Dual Rear Exit - American Thunder - Moderate Sound
Fits 1967 to 1974 Chevrolet Camaro and Pontiac Firebird, also 1968 to 1974 Chevrolet Nova, with V8 engines, does not fit convertibles without an X-brace modification, call Tech Support Line for assistance.
$477.97
in stock
Exhaust Systems / Kits - Force II
Cat-back System - Dual Rear Exit - Force II - Moderate Sound
Fits 1987 to 1993 Ford Mustang, GT with a 5.0L engine.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$422.97
in stock
Exhaust Systems / Kits - American Thunder
Cat-back System - Dual Rear Exit - American Thunder - Aggressive Sound
Fits 1994 to 1997 Ford Mustang, GT, and Cobra with a 4.6L or 5.0L engine.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$422.97
in stock
Exhaust Systems / Kits - American Thunder
Cat-back System - Dual Rear Exit - American Thunder - Aggressive Sound
Fits 1986 to 1993 Ford Mustang, LX, with a 5.0L engine and 1986 Mustang GT with a 5.0L engine.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$443.97
in stock
Exhaust Systems / Kits - Force II
Cat-back System - Dual Rear Exit - Force II - Mild/Moderate Sound
Fits 1994 to 1997 Ford Mustang, GT and Cobra with a 4.6L or 5.0L engine.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$432.97
in stock
Exhaust Systems / Kits - American Thunder
Cat-back System - Dual Rear Exit - American Thunder - Aggressive Sound
Fits 1987 to 1993 Ford Mustang GT with a 5.0L engine.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$533.97
in stock
Exhaust Systems / Kits - American Thunder
Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive
Fits 1964 to 1972 GM A-Body with a V8 engine.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$600.97
in stock
Exhaust Systems / Kits - American Thunder
Header-back System - Dual Side Exit - American Thunder - Moderate/Aggressive
Fits 1964 to 1972 Chevrolet El Camino and GMC Sprint with a V8 engine.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$443.97 See Price in Shopping Cart
in stock
Exhaust Systems / Kits - Force II
Cat-back System - Single Side Exit - Force II - Mild Sound
Fits 1996 to 1999 Chevrolet and GMC Suburban on a 1/2 Ton chassis with a 5.7L engine using dual catalytic converters, fits 2 and 4 wheel drive models.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
Exhaust Systems / Kits - Force II
Cat-back System - Single Side Exit - Force II - Mild Sound
Fits 1988 to 1992 Chevrolet and GMC truck on a 1/2 Ton or 3/4 Ton chassis with a 5.7L engine using a slip fit catalytic converter, fits 2 and 4 wheel drive Standard Cab and short bed configuration on a 117 inch wheelbase.
$360.97
in stock
Exhaust Systems / Kits - Force II
Cat-back System - Single Side Exit - Force II - Mild Sound
Fits 1988 to 1992 Chevrolet and GMC trucks on a 1/2 Ton or 3/4 Ton chassis with a 5.7L engine using a slip fit catalytic converter, fits 2 and 4 wheel drive models with a Standard Cab and long bed configuration on a 131 inch wheelbase.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$466.97
in stock
Exhaust Systems / Kits - American Thunder
Header-back System - Dual Side Exit - American Thunder - Aggressive Sound
Fits 1967 to 1968 Chevrolet Camaro and Pontiac Firebird with a V8 engine, does not fit convertibles without an X-brace modification, call Tech Support for more info.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$425.97
in stock
Exhaust Systems / Kits - Force II
Cat-back System - Single Side Exit - Force II - Mild Sound
Fits 1987 to 1996 Ford Bronco with a 5.0L or 5.8L engine using a slip fit catalytic converter, fits 2 and 4 wheel drive models.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$422.97
in stock
Exhaust Systems / Kits - American Thunder
Cat-back System - Dual Rear Exit - American Thunder - Aggressive Sound
Fits 1995 to 1997 Chevrolet Camaro and Pontiac Firebird with a 5.7L LT-1 engine using dual catalytic converters.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$360.97
in stock
Exhaust Systems / Kits - Force II
Cat-back System - Single Side Exit - Force II - Mild Sound
Fits 1987 to 1996 Ford F-150 truck on a 1/2 Ton chassis with a 4.9L or 5.0L or 5.8L engine, fits 2 and 4 wheel drive models and all wheelbases.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$581.97
in stock
Exhaust Systems / Kits - American Thunder
Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive
Fits 1969 Chevrolet Camaro and Pontiac Firebird with V8 engine, does not fit convertibles without an X-brace modification, call Tech Support for more info.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$288.97
in stock
Exhaust Systems / Kits - American Thunder
Cat-back System - Single Side Exit - American Thunder - Moderate Sound
Fits 1993 to 1997 Jeep Grand Cherokee with a 5.2L engine, fits 2 and 4 wheel drive.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$394.97
in stock
Exhaust Systems / Kits - American Thunder
Cat-back System - Dual Rear Exit - American Thunder - Aggressive Sound
Fits 1993 to 1995 Chevrolet Camaro and Pontiac Firebird with a 5.7L LT-1 engine using 3 inch flanged catalytic converter.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$376.97
in stock
Exhaust Systems / Kits - Force II
Cat-back System - Single Side Exit - Force II - Mild Sound
Fits 1993 to 1995 Chevrolet and GMC truck on a 1/2 Ton chassis with a 5.0L or 5.7L engine using a flanged catalytic converter, fits 2 and 4 wheel drive models with Extended Cab and short bed configuration on a 141 inch wheelbase.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
$610.97
in stock
Exhaust Systems / Kits - American Thunder
Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive
Fits 1970 to 1974 Chevrolet Camaro and Pontiac Firebird with a V8 engine.
LIMIT 1 CHAIR PER ORDER - VALID THROUGH AUG 31, 2017 OR WHILE SUPPLIES LAST
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Flowmaster Catalytic Converters