SKU: 39569636657

Jones Flow Pack Turbine and Turbo Muffler 4 IN/OUT JT4040

$97.53 $108.37
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 17 - Sep 22

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Jones Flow Pack Turbine and Turbo Muffler 4 IN/OUT JT4040Description Universal Fit Inlet: 4 Inches Outlet: 4 Inches 20" Overall Length 6" Round Stainless Steel Features Jones Exhaust turbine mufflers combine incredible looks, impressive sounds, and strong materials for units built to last and impress. They feature 304 stainless steel polished cases, weld on style, straight through turbine design, and a throaty growl perfect for trucks and street racers. These turbine mufflers are available in a variety of

Description

  • Universal Fit
  • Inlet: 4 Inches
  • Outlet: 4 Inches
  • 20" Overall Length
  • 6" Round
  • Stainless Steel

Features

Jones Exhaust turbine mufflers combine incredible looks, impressive sounds, and strong materials for units built to last and impress. They feature 304 stainless steel polished cases, weld-on style, straight-through turbine design, and a throaty growl perfect for trucks and street racers. These turbine mufflers are available in a variety of lengths and inlet/outlet diameters. Order the model best suited for your exhaust application.

Warranty

Jones Exhaust Systems, Inc. warrants our manufactured exhaust system products to buyers of products for resale only against defects in craftsmanship and materials for one (1) year from the date of resale or installation. All Full Boar Branded Performance mufflers carry a limited warranty. Expansion is guaranteed only to 1/4 inch over the original neck size. Warranty does not apply to any manufactured products that have been subject to misapplication, abuse, misuse, normal wear, negligence, backfire damage, accidents, burnout due to poor carburetion, and rust out. This warranty does not cover any labor charged or any other claims incidental to replacing a defective part. Warranty is limited to the repair or replacement of a defective product. A final decision as to whether a product is defective will be made by Jones Exhaust after an evaluation of the product. To obtain service under this warranty, call your customer service representative.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39569636657

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4.9 ★★★★★
Based on 9 reviews
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Product Reviews
D
Verified Purchase
Dan K.
Cuba, US
★★★★★ 5
Bringing a 1976 MG Midget to the modern world!
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
I've been restoring a 1976 MG Midget barn find. I bought some Sinless liner to help make the car rattle less and feel more solid. This product is easy to cut, easy to install, and extremely sticky. I used it to line the trunk, the interior, and even some under the hood of the old MG. The adhesive stands up to the brutal temperature of the engine bay, and when (by accident) some fuel spilled onto the foam, it didn't fall apart or turn to mush. Thanks to Siless, the MG now feels like a modern car. The floor pans feel much more solid, the doors make a heftier thud when you close them, and the trunk no longer sounds like a percussion instrument when you touch it. If you know what you're doing, this product will transform the feel of a car. I found that 36 sq ft was enough for my MG Midget, but for a bigger car I would want more. The pattern on the back helped me to cut perfectly measured squares and rectangles. The foam itself doesn't have a strong odor, it works super well, and has held up to several months of changing temperatures (in the Midwest US.)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 11, 2025
M
Verified Purchase
Mike S.
Boise, US
★★★★★ 5
Excellent Car Sound Deadening and Heat Insulation Solution
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
If you're looking for a high-quality car sound deadening and heat insulation material, then the Siless Liner 157 (4 mm) mil 36 sqft is definitely worth considering. This product is designed to offer superior noise reduction and heat insulation for your car, making your driving experience more comfortable and enjoyable. The closed-cell foam material used in this product is of premium quality, and it effectively blocks out external noise and vibrations. This means you can enjoy a quieter and more peaceful ride, even on noisy roads. In addition, the Siless Liner 157 also provides excellent heat insulation, which can help keep your car cooler in hot weather. One of the best things about this product is that it's very easy to install. You don't need any special tools or equipment, and the material can be easily cut to fit any shape or size. It's also very lightweight and flexible, which makes it easy to work with. Overall, the Siless Liner 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat is an excellent choice for anyone looking to improve the comfort and performance of their car. It's a high-quality product that delivers on its promises, and it's definitely worth the investment.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2023
M
Verified Purchase
Marie Phillips
Waukegan, US
★★★★★ 4
Heavy-Duty That Works!
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
This extreme sound deadening mat performs well for reducing road noise and vibration. It feels dense and adheres securely when properly applied. Once installed, it noticeably improves interior quietness. Overall, it’s a strong choice for more serious sound insulation projects.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
J
Verified Purchase
J Whitehead
San Leandro, US
★★★★★ 5
Good product, quite sticky I must say.
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Worked for my van insulation
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
D
Verified Purchase
David Spencer
Grantham, US
★★★★★ 5
Good stuff
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Good stuff, easy to use, self adhesive backing contours around curves easily and works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026

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