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

4.6 4.6 out of 5 stars 1,399 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Automotive Replacement Exhaust Pipes by Thrush

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Purchase options and add-ons

Brand Thrush
Item Dimensions LxWxH 29.25 x 6 x 5.5 inches
Vehicle Service Type Truck
Item Weight 5.5 Pounds
Shape Straight-through

About this item

  • 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
See more product details

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$42.68
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$17.99 ($9.00/Count)
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Sold by EVIL ENERGY and ships from Amazon Fulfillment.
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$12.58
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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
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Price$42.68$49.99$43.00-9% $30.90
Typical:$34.11
-5% $36.99
List:$38.99
-28% $38.15
List:$52.77
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it Apr 2 - 3
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Value for money
4.8
4.5
4.7
4.5
4.7
Easy to install
4.7
4.4
4.5
4.4
4.6
Quality of material
4.8
4.2
4.6
4.2
Noise level
4.3
4.2
4.2
Sold By
Amazon.com
EVIL ENERGY
Mac Auto
Amazon.com
EVIL ENERGY
Amazon.com
compatible vehicles
Truck
Car
Truck, Car
Car
Car
Car
inlet size
2.5
2.25
2.25
2.25
2
2.5
weight
5.5 pounds
1 pounds
1.19 kilograms
0.01 ounces
shape
Straight-through
Round
Straight-through
Straight-through
Straight-through

From the manufacturer

Thrush Glasspack module 1
Thrush Glasspack module 2

Thrush Glasspack Muffler

With a straight-through design for maximum flow and power, Thrush Glasspack mufflers feature exclusive Continuous Roving Fiberglass technology that absorbs unwanted resonance while maintaining a powerful tone. Available in a variety of sizes, Thrush Glasspack mufflers have a heavy-gauge steel shell with either a high-gloss red powder-coat finish or a polished stainless-steel finish for lifelong durability.

Thrush Glasspack Module 3-01

Thrush Glasspack Module 3-02

Thrush Glasspack Module 3-03

Thrush Glasspack Module 3-04

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 or a polished stainless-steel finish

SUPERIOR PERFORMANCE

Straight-through design for maximum flow and power

CHOOSING THE RIGHT SOUND

Thrush_012022_Amazon+_RattlerMuffler_Module4

From a low growl to an attention-grabbing roar, the sound of a muffler is an important part of any custom exhaust build. Thrush performance mufflers come in a variety of sounds to match your vehicle’s style. Looking for something deep and throaty? Thrush Rattler and Thrush Welded mufflers both have a deep aggressive sound. Hush Thrush mufflers deliver that perfect hot rod and muscle car sound while Thrush Turbo mufflers have that classic sound that you can only get with a Thrush muffler. For muscle cars, trucks and classic vehicles, a Thrush Glasspack muffler has a powerful, vintage sound.

Thrush Glasspack Module 5-01

Thrush Glasspack Module 5-02

Thrush Glasspack Module 5-03

Thrush Glasspack Module 5-04

WHAT DOES A MUFFLER DO?

Located under the vehicle, the muffler is a key part of a gas-powered vehicle’s exhaust system. Attached to the tailpipe, the muffler is designed to quiet the sound of the engine as emissions pass out of the vehicle. The muffler can also enhance performance by getting rid of all of the exhaust gases and taking in oxygen faster to generate power.

STRAIGHT-THROUGH DESIGN

Featuring a compact straight-through design, glasspack mufflers feature fiberglass wound around a perforated tube and enclosed in a steel shell. The exhaust passes through the center of the pipe and the padding muffles the engine vibrations and sounds. Ideal for racing applications, glasspack muffler.

FLEXIBLE SOLUTION

Offered in a variety of styles and sizes, Thrush mufflers are ideal for performance and vintage applications where the ability to customize the exhaust system is needed. Installation of Thrush mufflers typically require some modifications including welding and/or fabrication. You might need to cut pipe or fabricate new hangers if they don’t match up with the existing hangers. Consider the design when choosing a Thrush muffler.

SIGNS OF A FAILING MUFFLER

Mufflers primarily deteriorate from the inside out due to the acidic moisture produced by the combustion process. Signs that it may be time to replace your muffler include: loud or unusual noises coming from the muffler, a foul odor in the cabin from the muffler not properly filtering exhaust gases, distorted body shell and reduced gas mileage from a failing muffler causing the engine to work harder and use more fuel.

Product Description

With a straight-through design for maximum flow and power, Thrush Glasspack mufflers feature exclusive Continuous Roving Fiberglass technology that absorbs unwanted resonance while maintaining a powerful tone.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here. [PDF 99 KB]

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


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What's in the box

  • One exhaust muffler with 2.5 inch inlet/outlet
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    1,399 global ratings

    Customers say

    Customers like the value, appearance, fit and performance of the muffler. For example, they mention it looks and sounds great, it's a perfect fit and that it has just enough low rumble to let you know it' s not a stock exhaust. That said, some are happy with the performance, ease of installation and quality.

    AI-generated from the text of customer reviews

    144 customers mention130 positive14 negative

    Customers are satisfied with the sound quality of the muffler. They mention that it sounds good, has no high pitch noise, and makes the truck quieter. They also appreciate the nice tone even during idle, with a nice low rumble. The tone of the exhaust is deeper, with slight increase in noise over stock. However, they still roar and have a good time at idle.

    "...But i was still able to weld it in and it has made it so much quieter you can actually talk next to my car" Read more

    "...This fit perfectly in its place. The tone of the exhaust is deeper, with a slight increase in noise over stock, however I still have the oem muffler..." Read more

    "...Sounds decent for a glass pack." Read more

    "...It was super easy to install and I love the sound. Only thing I didn't receive was the Thrush bird sticker, ( envelope was empty )...." Read more

    42 customers mention40 positive2 negative

    Customers are satisfied with the quality of the muffler. They mention that it is well built, has a deep sound, and is powder coated to last. Some say that it arrived in flawless condition.

    "I wanted a little bit louder. But it's good quality!" Read more

    "It was super easy to install and felt like good quality but it definitely wasn't as loud as I thought it was going to be." Read more

    "This muffler is definitely built better than the Thrush glass packs I used 40 some years ago, with all welded seams instead of crimped it also is..." Read more

    "Haven't installed it yet, but seems to be a great solid build quality as to be expected with thrush's name, very eager to get it installed and see..." Read more

    38 customers mention38 positive0 negative

    Customers appreciate the value of the muffler. They mention that it works well, is inexpensive, and has good quality. Some say that it has great sound for the price. Overall, most are satisfied with the value and quality of the product.

    "...Great product with a great price." Read more

    "Best bang for the buck" Read more

    "...It was cheap, quick and easy to install...." Read more

    "Glasspacks have always been my favorite mufflers. There cheap to make and they sound awesome too. Give you and old-school rumble to your exhaust...." Read more

    27 customers mention27 positive0 negative

    Customers find the installation of the muffler to be easy. They mention that the dimensions are clear, and the product slips on with ease.

    "...It was super easy to install and I love the sound. Only thing I didn't receive was the Thrush bird sticker, ( envelope was empty )...." Read more

    "It was super easy to install and felt like good quality but it definitely wasn't as loud as I thought it was going to be." Read more

    "...It was easy to install and it definitely makes the truck louder and you can hear when he comes up the driveway that he is home...." Read more

    "...The installation was simple, the muffler was almost the right size to fit right in place of the old one, but I had to buy a 10 inch extension from..." Read more

    22 customers mention22 positive0 negative

    Customers are satisfied with the performance of the muffler. They mention it's effective, has a decent tone, and works well on their truck. Some say that the mp3 player has outstanding performance and tone for any v8. Overall, customers are happy with the product and recommend it to others looking for a cheap performance upgrade.

    "It works as intended, even though it’s made for muscle cars I still put it on my Inline 4 engine and works great." Read more

    "...I used simple clamps with exhaust sealant. No issues, no complaints. Cheap grunt - would buy again...." Read more

    "...It may have also helped my MPG a slight bit, but nothing noticeable. Maybe .2-.5 MPG improvement.Overall I am happy...." Read more

    "...10/10 would recommend to any consumer looking for a cheap performance upgrade." Read more

    17 customers mention17 positive0 negative

    Customers are satisfied with the appearance of the muffler. For example, they mention it looks good, has a nice grull, and is American made. Some say that the sexy hot rod red paint job is a great feature. Overall, most are happy with the product's appearance.

    "Came Red in color,exact length and welded right in, sounds killer on my 2017colorado/turbo.thx.i can hear it now." Read more

    "...exhaust pipe, and while it still has the deep tone, it is not as obnoxious driving around...." Read more

    "...Louder than expected for such a long glasspack, but not obnoxious enough to turn heads or bother neighbors. A bit of burble off throttle...." Read more

    "...A good rumble but not obnoxious or a lot of cab noise even with only running a turn down right after the exhaust...." Read more

    12 customers mention12 positive0 negative

    Customers are satisfied with the fit of the muffler. They mention that it works great universally, and fits perfectly inside the flange. Some say that the piping fits perfectly.

    "...This fit perfectly in its place...." Read more

    "Beautiful American made mufflers they fit perfectly finish and everything was great look fantastic on my hot rod dual exhaust excellent sound will..." Read more

    "...2.5 inch pipe fits perfectly inside the muffler. I straight piped the truck so has a nice graull and for the price it was just right...." Read more

    "...My sons full size GMC truck had 2 and 1/2" exhaust pipes and the fit was perfect. Just slide them on and weld ,No problem...." Read more

    12 customers mention12 positive0 negative

    Customers are satisfied with the tone of the muffler. They mention that it has a satisfying low/deep rumble, a mellow idle, and a very manly midrange. They also say it has good deep idle and nice rumbling during normal daily driving. Some say that the rpm is not too crazy and it still has s a nice note at start up and at WOT.

    "...too well as my truck is quite quiet now but still have a nice note at start up and at WOT...." Read more

    "...But if you're getting into it, they still roar and have a nice time at idle and cruise." Read more

    "...What I got in return is a manly, but mellow idle, a very manly midrange, and a downright mean wide open throttle. Love these glass packs!" Read more

    "...Sounds amazing on my truck. Nice rumble, nothing too crazy, just like I wanted/knew it would be!" Read more

    Works as intended
    5 Stars
    Works as intended
    I got it for my mazda miata that had a after market exhaust that caused too much drone. Only issue I had was fitting the pipe in. I still don’t know if the end of the muffler is 2.5 or a 2.5 connector/bell end. or in other terms outside or inside diameter. But i was still able to weld it in and it has made it so much quieter you can actually talk next to my car
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    Top reviews from the United States

    Reviewed in the United States on February 14, 2024
    Customer image
    5.0 out of 5 stars Works as intended
    Reviewed in the United States on February 14, 2024
    I got it for my mazda miata that had a after market exhaust that caused too much drone. Only issue I had was fitting the pipe in. I still don’t know if the end of the muffler is 2.5 or a 2.5 connector/bell end. or in other terms outside or inside diameter. But i was still able to weld it in and it has made it so much quieter you can actually talk next to my car
    Images in this review
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    One person found this helpful
    Report
    Reviewed in the United States on October 19, 2023
    Customer image
    5.0 out of 5 stars Works, deep tone on a V8
    Reviewed in the United States on October 19, 2023
    Bought this to take the place of a factory resonator which rusted out and started to leak. This fit perfectly in its place. The tone of the exhaust is deeper, with a slight increase in noise over stock, however I still have the oem muffler in place. The Thrush muffler cut out the rasp that I was getting when I had a straight pipe in as a temp fix. This is much better. Hoping the packing will last for several years. Note that your results may vary, a shorter glasspack will be louder, and have a raspier tone than a longer one.
    Images in this review
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    2 people found this helpful
    Report
    Reviewed in the United States on November 6, 2023
    One person found this helpful
    Report
    Reviewed in the United States on June 26, 2022
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    5.0 out of 5 stars What I remembered.
    Reviewed in the United States on June 26, 2022
    This glasspack is the same type I used as a teenager with limited funds. I'm now 59 and can afford what I want but I remembered the sound the Thrush glasspacks gave me and figured why not. It was super easy to install and I love the sound. Only thing I didn't receive was the Thrush bird sticker, ( envelope was empty ). Great product with a great price.
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    6 people found this helpful
    Report
    Reviewed in the United States on May 5, 2023
    Reviewed in the United States on March 10, 2024
    Customer image
    5.0 out of 5 stars Works perfectly
    Reviewed in the United States on March 10, 2024
    It works as intended, even though it’s made for muscle cars I still put it on my Inline 4 engine and works great.
    Images in this review
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    One person found this helpful
    Report
    Reviewed in the United States on October 23, 2023
    One person found this helpful
    Report
    Reviewed in the United States on September 15, 2023
    2 people found this helpful
    Report

    Top reviews from other countries

    SJ
    5.0 out of 5 stars Great quality product
    Reviewed in Canada on January 13, 2020
    One person found this helpful
    Report
    Cliente de Amazon
    5.0 out of 5 stars Lo que esperaba
    Reviewed in Mexico on July 2, 2019
    pat filek
    5.0 out of 5 stars Great muffler
    Reviewed in Canada on July 19, 2023
    Shawn
    5.0 out of 5 stars great price for genuine product
    Reviewed in Canada on October 19, 2023
    PAUL
    5.0 out of 5 stars Deliverd ahead schedule
    Reviewed in Canada on March 3, 2024