Exhaust System Kit for 2003-2005 Buick Century 3.1L | 2003 Pontiac Grand Prix 3.1L FWD
Product Code: GE04538
Upgrade with our Northeastern Exhaust Catalytic Converter, Resonator Pipe and Muffler for durable, rust-resistant performance with clamps and gaskets included for free.
✔️ Direct fit for
2003-2005 Buick Century 3.1L
2003 Pontiac Grand Prix 3.1L - FWD
✔️ 409 Stainless Steel — Tough, Rust-Resistant, Reliable
Couldn't load pickup availability
Secure your shopping experience with various safe and trusted payment methods.
Key Features
Key Features
• STAINLESS STEEL 409 GRADE: Built from durable, corrosion-resistant stainless steel for long-lasting performance in any driving condition.
• RELIABILITY: Count on Northeastern Exhaust for top-quality, easy-to-install parts that keep your vehicle running at its best.
• 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
Manufacturer: Northeastern Exhaust
Material: 409-Grade Stainless Steel
Manufacturer Part Number: NEC 506286 + DEX 607104 + DEX 103116
Interchange Part Number: 50322 + 47792 + 21346
Connection Type: Direct Fit
Warranty: Limited Lifetime
What's In The Box
What's In The Box
One (1) Exhaust Catalytic Converter
One (1) Exhaust Resonator Pipe
One (1) Exhaust Muffler
Two (2) Exhaust Clamps
Two (2) Exhaust Gaskets

$309.91
Selling fast!
Get yours while you can.
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.