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Gibson 619998 Cat-Back Single Exhaust System Stainless Steel

(2003-2005 Lincoln Aviator)

Part of: Gibson Performance Single Side Cat-Back Exhaust System

Other options in this family: Gibson Exhaust 619995 Gibson Exhaust 319675 Gibson Exhaust 315536 Gibson Exhaust 618815B Gibson Exhaust 315599

Manufacturer

Picture for manufacturer Gibson Exhaust

Part Number

619998
6 reviews
Sale Price

$564.17

Estimated ship date Thursday, November 19

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Product Details

The Gibson 619998 Cat-Back Single Exhaust System is a stainless steel performance exhaust designed for a straight rear exit with an aggressive tone and real, measurable power gains. Built from 2.50-inch 409 stainless mandrel-bent tubing, this system minimizes backpressure and delivers smooth, unrestricted exhaust flow from the catalytic converter back.

At the heart of the system is Gibson's baffled and chambered muffler — a fully welded design with no internal packing to degrade over time. This construction delivers an aggressive exterior exhaust note while keeping interior drone to a minimum for a comfortable daily driving experience.

Key Features:

  • Tubing: 2.50 in. 409 stainless steel, mandrel-bent for unrestricted flow
  • Muffler Design: Baffled & chambered, no internal packing, minimal interior drone, aggressive exterior sound
  • Muffler Dimensions: 6 in. round body; 2.50 in. offset inlet; 2.50 in. offset outlet; 24 in. length
  • Exhaust Tip: 3 in. polished T304 stainless steel, round slash-cut style, clamp-on fitment
  • Tip Specifications: 2.50 in. inlet; 3 in. outlet; 8 in. length
  • Exit Position: Straight out the back
  • Average horsepower gains of 5–10 HP
  • Bolt-on installation — includes all hardware and factory-style hangers, no welding required
  • Backed by Gibson's Lifetime Limited Warranty
  • 100% Made in the USA

The complete kit ships with all necessary mounting hardware and factory-style hangers for a straightforward, professional-quality installation with no cutting or fabrication required.

Products specifications

Fits

2003-2005 Lincoln Aviator

Tubing Diameter

2.50-in. Stainless mandrel bent tubing.

Muffler Dimension

6 in. Round; 2.50 in. Offset Inlet; 2.50 in. Offset Outlet; L-24 in.

Muffler Description

Baffled and Chambered Muffler Design, No internal Packing, Minimal Interior Drone, Aggressive Sound

Exit Position

Exit Is Straight Out The Back.

Material

Stainless

Prop 65

Yes

Outlet

Single

Tip Specifications

Inlet 2.50 in.; Outlet 3 in.; L-8 in.

Tip Description

3in. Polished T304 Stainless. Round Slash-Cut Tip. Clamp on.

Category

Truck and SUV

Tip Diameter

3.000 in.

Exit Position

Straight Out Back

Muffler Body Length

24.000 in.

Tubing Diameter

2.500 in.

Material

Stainless Steel

Inlet Inside Diameter

2.500 in.

Exhaust Type

Cat-Back

Tail Pipe Diameter

2.500 in.

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