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Fits Buick GS 400FLOWMASTER EXHAUST SYSTEM FLOWMASTER AMERICAN THUNDER
Aluminized steel 16-gauge tube. Mounting hardware included. Provides aggressive exhaust sound. Flowmaster's American Thunder Exhaust System... more
Priced from:
$479.99
Fits the following Buick GS 400 Years
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Fits Buick GS 400MAGNAFLOW EXHAUST SYSTEM MAGNAFLOW PERFORMANCE
For over 30 years, Magnaflow has been dedicated to producing exhaust systems that stand behind their mission to deliver quality, power... more
Priced from:
$583.52
Fits the following Buick GS 400 Years
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HEARTTHROB EXHAUST DUAL EXHAUST SYSTEMS FOR "LONG-TUBE" HEADERS
DUAL EXHAUST SYSTEMS FOR "LONG-TUBE" HEADERS. Available with high flow turbo mufflers or direct-flow glass pack mufflers. Tailpipes exit... more
Priced from:
$223.32
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MBRP PERFORMANCE MBRP EXHAUST STACK (MINOR MODIFICATIONS REQUIRED)
MBRP Exhaust Stack (Minor Modifications Required). Requires minor modifications. Gives out maximum protection with the help of its high... more
Priced from:
$124.99
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MBRP PERFORMANCE EXHAUST SYSTEM MBRP PRO DIRECT FIT
The MBRP's Pro Series is the best choice for owners of lifted trucks that want power and great look in one package. more
Priced from:
$124.99
