1991 Pontiac Grand Prix Exhaust System Insulator
Navigate our online catalogue to find original replacement Exhaust System Insulators specifically designed to fit a 1991 Pontiac Grand Prix.


Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);
Vehicle Fitment Notes:
without Sport Package
without Sport Package

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
with Dual Exhaust
with Dual Exhaust

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: GT;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: GT;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: LE;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: LE;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: STE;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: STE;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pipe (Center Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pipe (Center Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: GT;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: GT;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pipe (Center Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: LE;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: LE;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pipe (Center Rear)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: STE;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: STE;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$15.27
$11.25
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Rear)
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);
Vehicle Fitment Notes:
with Sport Package
with Sport Package

Exhaust System Insulator
$16.93
$12.54
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Exhaust Pipe
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);

Exhaust System Insulator
$16.93
$12.54
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Front)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: GT;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: GT;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$16.93
$12.54
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Front)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: LE;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: LE;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$16.93
$12.54
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Muffler (Front)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: STE;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: STE;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$3.43
$2.91
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Muffler (Right)
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
with Dual Exhaust
with Dual Exhaust

Exhaust System Insulator
$3.43
$2.91
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pipe (Center Front)
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);
Engine Base: 2.3L 138ci L4 (3.62x3.35; 92.0x85.0);

Exhaust System Insulator
$3.43
$2.91
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pipe (Center Front)
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: GT;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: GT;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$3.43
$2.91
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pipe (Center Front)
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: LE;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: LE;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust

Exhaust System Insulator
$3.43
$2.91
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pipe (Center Front)
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: STE;
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0); Sub-Model: STE;
Vehicle Fitment Notes:
with Single Exhaust
with Single Exhaust