2003-2008 Pontiac Grand Prix 3.8L Exhaust Y-Pipe and Pair of Muffler

• 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.

Manufacturer: Northeastern Exhaust
Material: 409-Grade Stainless Steel
Manufacturer Part Number: 305109 + 103120 + 103121
Interchange Part Number: 55367 + 21502 + 21503
Connection Type: Direct Fit
Warranty: Limited Lifetime
Important Note: Fits Models w/ Dual Exhaust

One (1) Intermediate pipe / Y-Pipe
One (1) Passenger-Side Muffler
One (1) Driver-Side Muffler
Four (4) Clamps

Have the exhaust system installed by a certified mechanic. Make sure to check for any leaks after installation and ensure the tailpipe extends to a safe discharge point beyond the vehicle body, as exhaust gases may enter the vehicle and pose a serious safety risk.

Shipping Information

• Currently, we only ship within the 48 contiguous United States. Most orders will ship out within 1-2 business days after receiving cleared payment. Major carriers i.e. FedEx and UPS do not pick up on weekends or holidays, so we cannot ship on Saturdays, Sundays, or Holidays. For Alaska, please contact us by e-mail first for shipping availability and shipping cost for your product.
• Some shipments may require signature due to the size and price of the order. Please check our Shipping Page for more details.

Return Policy

• We offer 30-day return upon delivery for a refund. Please check our Return policy page for more details

Warranty Coverage

• All items listed are 100% brand new and come with a limited lifetime warranty (unless specified otherwise) against manufacturer defects. Please check our Warranty Coverage page for more details

Equivalent Part Disclaimer Note

• In unlikely event the part is unavailable, we may send a similar or equivalent part. By placing your order, you agree to receive an equivalent replacement when necessary.