Best Glasspack

Peter | 07-01-2026

In this article, we will explore the Best Glasspack that are now on the market. In addition to that, we have provided you with a detailed guide that will assist you in choosing the right product. We really hope that by looking through the reviews of the top Best Glasspack products that we’ve provided below, you’ll be able to quickly narrow your choices and select the one that best satisfies your needs.

We have spent lots of time testing. According to our research, we think Thrush Best Glasspack is the best overall. For more of our top picks, read on! Also, check out our buying guide for some tips on how to choose the right Best Glasspack.

Editor's Choice
Thrush Glasspack Deep Performance Tone Inlet 2.5 Pipe Connection Outlet 2.5 Pipe
Thrush Glasspack Deep Performance Tone Inlet 2.5 Pipe Connection Outlet 2.5 Pipe
Premium Pick
Thrush Glasspack Deep Performance Tone Inlet 2 Pipe Connection Outlet 2 Pipe
Thrush Glasspack Deep Performance Tone Inlet 2 Pipe Connection Outlet 2 Pipe
Budget Pick
JEGS Glasspack Muffler | 2.5” ID Inlet/Outlet | 3.5” Body Diameter | 12” Overall Length | High
JEGS Glasspack Muffler | 2.5” ID Inlet/Outlet | 3.5” Body Diameter | 12” Overall Length | High

Top 10 Best Glasspack

We researched and compared the top products in the Best Glasspack category to provide you with these recommendations.

1. Thrush Glasspack Deep Performance Tone Inlet 2.5 Pipe Connection Outlet 2.5 Pipe

  • VINTAGE SOUND -- Delivers a powerful tone that is ideal for muscle cars, trucks and classic vehicles
  • PREMIUM ACOUSTIC CONTROL -- Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance
  • ENGINEERED TO LAST -- Durable heavy-gauge steel shell with high-gloss red powder-coat finish
  • SUPERIOR PERFORMANCE -- Straight-through design for maximum flow and power
  • FLEXIBLE SOLUTION -- Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or welding)
  • SPECS -- Available in 3.5-in. or 4-in. body; offered in a variety of overall lengths and inlet/outlet size configurations; see product specifications for more information
  • BUY WITH CONFIDENCE -- Comes with Thrush's 90-day limited warranty

2. Thrush Glasspack Deep Performance Tone Inlet 2 Pipe Connection Outlet 2 Pipe

  • VINTAGE SOUND -- Delivers a powerful tone that is ideal for muscle cars, trucks and classic vehicles
  • PREMIUM ACOUSTIC CONTROL -- Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance
  • ENGINEERED TO LAST -- Durable heavy-gauge steel shell with high-gloss red powder-coat finish
  • SUPERIOR PERFORMANCE -- Straight-through design for maximum flow and power
  • FLEXIBLE SOLUTION -- Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or welding)
  • SPECS -- Available in 3.5-in. or 4-in. body; offered in a variety of overall lengths and inlet/outlet size configurations; see product specifications for more information
  • BUY WITH CONFIDENCE -- Comes with Thrush's 90-day limited warranty

3. JEGS Glasspack Muffler | 2.5” ID Inlet/Outlet | 3.5” Body Diameter | 12” Overall Length | High

  • HOT ROD SOUND WITH ADDED PERFORMANCE for that classic sound
  • CONSTRUCTED FROM 16-GAUGE STEEL for long life
  • CORROSIVE-RESISTANT RED PAINT FINISH that is suitable up to 600 degrees Fahrenheit
  • REDUCES POWER-ROBBING BACK PRESSURE while delivering a crisp sound
  • DIMENSIONS: 2 1/2 inch inside diameter inlet and outlet, 3 1/2 inch body diameter, 12 inch overall length

4. Thrush Glasspack Deep Performance Tone Inlet 3 Pipe Connection Outlet 3 Pipe

  • VINTAGE SOUND -- Delivers a powerful tone that is ideal for muscle cars, trucks and classic vehicles
  • PREMIUM ACOUSTIC CONTROL -- Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance
  • ENGINEERED TO LAST -- Durable heavy-gauge steel shell with high-gloss red powder-coat finish
  • SUPERIOR PERFORMANCE -- Straight-through design for maximum flow and power
  • FLEXIBLE SOLUTION -- Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or welding)
  • SPECS -- Available in 3.5-in. or 4-in. body; offered in a variety of overall lengths and inlet/outlet size configurations; see product specifications for more information
  • BUY WITH CONFIDENCE -- Comes with Thrush's 90-day limited warranty

5. JEGS Glasspack Muffler | 2” ID Inlet/Outlet | 3.5” Body Diameter | 18” Overall Length | High

  • HOT ROD SOUND WITH ADDED PERFORMANCE for that classic sound
  • CONSTRUCTED FROM 16-GAUGE STEEL for long life
  • CORROSIVE-RESISTANT RED PAINT FINISH that is suitable up to 600 degrees Fahrenheit
  • REDUCES POWER-ROBBING BACK PRESSURE while delivering a crisp sound
  • DIMENSIONS: 2 inch inside diameter inlet and outlet, 3 1/2 inch body diameter, 18 inch overall length

6. AP Exhaust 351211S Glasspack Muffler

AP Exhaust 351211S Glasspack Muffler
8.5

Ap Exhaust Products

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  • Aluminized Glasspack - Enforcer
  • Case Diameter: 3 in.
  • Core Diameter: 2 in.
  • Neck Inlet: 2 in.
  • Neck Outlet: 2 in.

7. Cherry Bomb 87521CB 87521 Glasspack Muffler

Cherry Bomb 87521CB 87521 Glasspack Muffler
8.3

Cherry Bomb

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  • 8 inch body
  • Overall length: 12 inch
  • Inlet: 2.25 inch
  • Outlet size: 2.25 inch
  • Body diameter: 3.5 inch

8. Cherry Bomb 87520CB Glasspack Muffler

Cherry Bomb 87520CB Glasspack Muffler
8

Cherry Bomb

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  • 8 inch body
  • Overall length: 12 inch
  • Inlet: 2 inch.Muffler Material:Steel
  • Outlet size: 2 inch
  • Body diameter: 3.5 inch

9. JEGS Glasspack Muffler | 2.5” ID Inlet/Outlet | 3.5” Body Diameter | 24” Overall Length | High

  • HOT ROD SOUND WITH ADDED PERFORMANCE for that classic sound
  • CONSTRUCTED FROM 16-GAUGE STEEL for long life
  • CORROSIVE-RESISTANT RED PAINT FINISH that is suitable up to 600 degrees Fahrenheit
  • REDUCES POWER-ROBBING BACK PRESSURE while delivering a crisp sound
  • DIMENSIONS: 2 1/2 inch inside diameter inlet and outlet, 3 1/2 inch body diameter, 24 inch overall length

10. JEGS Glasspack Muffler | 2.5” ID Inlet/Outlet | 3.5” Body Diameter | 18” Overall Length | High

  • HOT ROD SOUND WITH ADDED PERFORMANCE for that classic sound
  • CONSTRUCTED FROM 16-GAUGE STEEL for long life
  • CORROSIVE-RESISTANT RED PAINT FINISH that is suitable up to 600 degrees Fahrenheit
  • REDUCES POWER-ROBBING BACK PRESSURE while delivering a crisp sound
  • DIMENSIONS: 2 1/2 inch inside diameter inlet and outlet, 3 1/2 inch body diameter, 18 inch overall length

Peter

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