Exhaust Resonator Pipe and Muffler for 2003-2005 Century and Grand Prix 3.1L
Product Code: GE00666
Upgrade with our Northeastern Exhaust Resonator Pipe and Muffler for durable, rust-resistant performance with gasket and clamps included for free.
✔️ Direct fit for
2003-2005 Buick Century 3.1L
2003 Pontiac Grand Prix 3.1L
✔️ 409 Stainless Steel — Tough, Rust-Resistant, Reliable
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Key Features
Key Features
• STAINLESS STEEL 409 GRADE: Built from durable, corrosion-resistant stainless steel for long-lasting performance in any driving condition.
• EASY INSTALLATION: Professionally install with ease—no welding required. Free gaskets and clamps included where needed for a hassle-free setup.
• OPTIMIZED PERFORMANCE: Enhances exhaust flow, reducing back pressure to improve horsepower and torque.
• SATISFACTION GUARANTEED: We stand by our quality with a hassle-free return policy if you’re not completely satisfied.
• WARRANTY: All products are brand new and covered against defects. Shipping, labor, and incidental fees are not included. Installed or altered items are non-returnable.
Item Details
Item Details
UPC : 732829401361
Manufacturer : Northeastern Exhaust
Material : 409-Grade Stainless Steel
Manufacturer Part Number : 607104 + 103116
Interchange Part Number : 47792 + 21346 (18895)
Connection Type : Direct Fit
Warranty : Limited Lifetime
Important Note : For the 2003 Pontiac Grand Prix 3.1L model, it will Only fits with Front-Wheel Drive (FWD).
What's In The Box
What's In The Box
One (1) Resonator Pipe
One (1) Muffler
Four (4) Exhaust rubber hangers
Two (2) Bolts and nuts
Two (2) Clamps
One (1) Gasket

$199.93
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Northeastern Exhaust
With over 40 years of experience in the automotive industry, we are exhaust supplier offering high-quality parts. Direct-fit Mufflers, Flex Pipes, Resonators, Catalytic Converters, and Performance Exhaust parts.