Buick GS 400 Performance Exhaust System Kits

Your Buick GS 400 will be happy to know that the search for the right Performance Exhaust System Kits you’ve been looking for is over! Advance Auto Parts has 2 different Performance Exhaust System Kits for your vehicle, ready for shipping or in-store pick up. The best part is, our Buick GS 400 Performance Exhaust System Kits start from as little as $412.99.

When it comes to your Buick GS 400, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Performance Exhaust System Kits brands so you can shop with complete confidence. Some of our top Performance Exhaust System Kits brands are Flowmaster Inc. and MagnaFlow. We’re sure you will get the right product to keep that GS 400 running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Performance Exhaust System Kits for your GS 400, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 7 Buick Performance Exhaust System Kits

MagnaFlow – Street Series Crossmember-Back Performance Exhaust System (Part No.15893)

Street Series Crossmember-Back Performance Exhaust System

from

$1142.99
The MagnaFlow Street Series Crossmember-Back Performance Exhaust System 15893 brings enhanced engine sound and dyno-proven performance to your muscle car with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features a crossmember-back layout designed to replace your exhaust system from the crossmember on back. With its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Multiple Exit Options exit with 2.75in. Polished Weld-On Single Wall Turndown Cut Edge tips, your muscle car will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15893 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Dyno-proven performance
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
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MagnaFlow – Street Series Crossmember-Back Performance Exhaust System (Part No.15897)

Street Series Crossmember-Back Performance Exhaust System

from

$1083.99
The MagnaFlow Street Series Crossmember-Back Performance Exhaust System 15897 brings enhanced engine sound and dyno-proven performance to your muscle car with a healthy helping of our deep, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features a crossmember-back layout designed to replace your exhaust system from the crossmember on back. With its fast-flowing, mandrel bent 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear Behind Rear Tires exit that you can enhance with tips of your choosing, your muscle car will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15897 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Dyno-proven performance
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
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MagnaFlow – Street Series Crossmember-Back Performance Exhaust System (Part No.15894)

Street Series Crossmember-Back Performance Exhaust System

from

$1000.00
The MagnaFlow Street Series Crossmember-Back Performance Exhaust System 15894 brings enhanced engine sound and dyno-proven performance to your muscle car with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features a crossmember-back layout designed to replace your exhaust system from the crossmember on back. With its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Multiple Exit Options exit with 2.75in. Polished Weld-On Single Wall Turndown Cut Edge tips, your muscle car will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15894 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Dyno-proven performance
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
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MagnaFlow – Stainless Cat-Back System Performance Exhaust Kit for Buick Apollo (Part No.16611)

Stainless Cat-Back System Performance Exhaust Kit for Buick Apollo

from

$806.99
If you’re in the market for a replacement exhaust or just want something that offers you a little more power over stock, then look no further than MagnaFlow for your aftermarket exhaust needs. Made of 100% stainless steel and then fully polished to give it that extra shine, our cat-back systems not only perform, but also look good in the process.
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Hooker Headers – Super Competition Cat-Back System (Part No.16810HKR)

Super Competition Cat-Back System

from

$599.99
Super Competition Cat-Back System Black Finish Mufflers with Aluminized Tubing

Product Features:
  • Exit At Stock Locations
  • Mandrel Bent Not Press Bent
  • Mandrel Bent Not Press Bent
  • Maximum Flow
  • Uses Existing Stock Hangers
  • Large Diameter 16 Ga. Aluminum Tubing
  • Low Back Pressure and Long Life
  • Easy Installation
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MagnaFlow – Stainless Cat-Back System Performance Exhaust Kit for Buick Apollo (Part No.16610)

Stainless Cat-Back System Performance Exhaust Kit for Buick Apollo

from

$573.99
If you’re in the market for a replacement exhaust or just want something that offers you a little more power over stock, then look no further than MagnaFlow for your aftermarket exhaust needs. Made of 100% stainless steel and then fully polished to give it that extra shine, our cat-back systems not only perform, but also look good in the process.
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Flowmaster Inc. – Header-back System – 3.00 in. Dual Rear Exit – Pipes Only No Mufflers (Part No.1040)

Header-back System - 3.00 in. Dual Rear Exit - Pipes Only No Mufflers

from

$412.99
Flowmaster’s 16 gauge mandrel bent pipe kits are designed to fit perfectly onto your vehicle with all the quality and performance that you would expect from Flowmaster.
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FAQs for Buick GS 400 Performance Exhaust System Kits

What are the most popular Performance Exhaust System Kits for the Buick GS 400?

With 2 brands you can trust, our most popular Performance Exhaust System Kits for the Buick GS 400 are:
Street Series Crossmember-Back Performance Exhaust System
from $1000.00
This product is not rated
Street Series Crossmember-Back Performance Exhaust System
Performance Exhaust System Kits
Header-back System - 3.00 in. Dual Rear Exit - Pipes Only No Mufflers
from $412.99
This product is not rated
Header-back System – 3.00 in. Dual Rear Exit – Pipes Only No Mufflers
Performance Exhaust System Kits