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Search for “Exhausts”

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Mercedes Sprinter 3.0L 3-inch Cat and DPF delete exhaust with dual resonators for 2010–2018
Mercedes Sprinter 3.0L 3-inch Cat and DPF delete exhaust with dual resonators for 2010–2018
Off-Road Use Only!
JS Speed Diesel|4 in stock
Mercedes Sprinter 3.0L 3" Cat & DPF Delete Exhaust with Resonators (2010–2018)
Regular price $549.99
Sale price $549.99 Regular price
Unit price /  per 
Unlock airflow, lower EGTs, and improve performance with a high-flow Sprinter DPF delete exhaust system. Designed for 2010–2018 Mercedes-Benz Sprinter vans equipped with the 3.0L V6 diesel engine, this 3" performance exhaust system replaces restri...
Ram Cummins 6.7L Turbo Back Race Exhaust (2007.5-2012)
JS Speed Diesel|10 in stock
6.7L Cummins Turbo-Back Race Exhaust | Without Muffler | Ram | 2007.5–2012
Regular price $632.50
Sale price $632.50 Regular price
Unit price /  per 
Go full flow from turbo to tailpipe. This 5” Stainless Turbo-Back Race Exhaust is built for 2007.5–2012 Ram 2500 and 3500 pickups equipped with the 6.7L Cummins. Designed for off-road and competition applications, this system replaces the entire f...
Ford Powerstroke 6.7L 4" Downpipe-Back Stainless Steel Exhaust (2011-2025)
Ford Powerstroke 6.7L - 4" Downpipe Back Stainless Steel Exhaust System (2011-2024)
Off-Road Use Only!
JS Speed Diesel|16 in stock
6.7L Powerstroke 4-inch Downpipe-Back Stainless Steel Exhaust | Ford | 2011–2025
Regular price $522.50
Sale price $522.50 Regular price
Unit price /  per 
Select a 4-inch exhaust by model year and materialThis downpipe-back system is the 4-inch exhaust option for the listed 2011–2025 Ford Super Duty pickups with the 6.7L Powerstroke. It replaces the Cat/DPF section as part of the exhaust assembly. M...
Dodge Ram Cummins 6.7L C&C - 5" Turbo Back Race Exhaust System (2011-2018)
Dodge Ram Cummins 6.7L C&C - 5" Turbo Back Race Exhaust System (2011-2018)
Off-Road Use Only!
JS Speed Diesel|5 in stock
6.7L Cummins 5-inch Turbo-Back Race Exhaust System | Ram Cab & Chassis | 2011–2018
Regular price $799.99
Sale price $799.99 Regular price
Unit price /  per 
Max airflow. Max performance. Built for Cab & Chassis.This turbo-back exhaust system is engineered to deliver serious gains for off-road Cummins builds. Featuring a full 5-inch design in corrosion-resistant T409 stainless steel, it removes all...
GM Duramax L5P 6.6L Downpipe-Back Exhaust System (2017-2025)
6.6L Duramax L5P Downpipe-Back Exhaust System | Chevy & GMC | 2017–2025
Off-Road Use Only!
Sale
JS Speed Diesel|20 in stock
6.6L Duramax L5P Downpipe-Back Exhaust System | Chevy & GMC | 2017–2025
Regular price $515.00
$825.00 Sale price $515.00 Regular price
Unit price /  per 
This downpipe-back exhaust system is built for Chevrolet Silverado and GMC Sierra HD pickups with the 6.6L Duramax L5P. Choose the existing 4-inch or 5-inch configuration for your model-year group. Vehicle fitment 2017–2019 or 2020–2025 Chevrolet ...
Ram Cummins 6.7L Downpipe Back Exhaust System (2019-2024)
Ram Cummins 6.7L Downpipe Back Exhaust System (2019-2024)
Sale
JS Speed Diesel|20 in stock
6.7L Cummins Downpipe-Back Exhaust System | Ram | 2019–2024
Regular price $825.00
$935.00 Sale price $825.00 Regular price
Unit price /  per 
Unlock your RAM’s full potential with the Ram Cummins 6.7L Downpipe-Back Exhaust System, engineered for 2019–2024 RAM 2500/3500 trucks. Designed for off-road and competition use, this system removes restrictive emissions components—including the c...
Stainless Steel Diesel Muffler
Stainless Steel Diesel Muffler
Off-Road Use Only!
JS Speed Diesel|20 in stock
Diesel Exhaust Muffler | 4-inch & 5-inch | Stainless Steel
Regular price $134.50
Sale price $134.50 Regular price
Unit price /  per 
Bring your truck to life with the Diesel Performance Exhaust Muffler, engineered to deliver both sound and performance. Available in T409 unpolished stainless steel 4-inch and 5-inch models, these mufflers reduce back pressure, enhance airflow, an...
Mercedes Sprinter 3.0L 3" DPF Delete Parts Kit (2010-2025)
Mercedes Sprinter 3.0L 3" DPF Delete Parts Kit (2010-2025)
Off-Road Use Only!
JS Speed Diesel|9 in stock
Mercedes Sprinter 3.0L - 3" DPF Delete Parts Kit (2010-2025)
Regular price $995.00
Sale price $995.00 Regular price
Unit price /  per 
Free up airflow, reduce turbo restriction, and improve performance with a full 3" Sprinter DPF delete kit. Designed for 2010–2025 Mercedes-Benz and Freightliner Sprinter vans equipped with the 3.0L V6 diesel, this system replaces restrictive facto...
Ford Powerstroke 6.4L - 4" Downpipe Back Exhaust System (2008-2010)
Ford Powerstroke 6.4L - 4" Downpipe Back Exhaust System (2008-2010)
Off-Road Use Only!
JS Speed Diesel|5 in stock
6.4L Powerstroke 4-inch Downpipe-Back Exhaust System | Ford | 2008–2010
Regular price $629.99
Sale price $629.99 Regular price
Unit price /  per 
Built for performance. Tuned for power.This downpipe-back exhaust system is designed to optimize flow and unleash the true sound of your 6.4L Powerstroke. Constructed from corrosion-resistant T409 stainless steel, it delivers aggressive tone, redu...
GM Canyon/Colorado Duramax LWN 3" Turbo-Back Race Exhaust (2016-2021)
Off-Road Use Only!
Sale
JS Speed Diesel|5 in stock
2.8L Duramax LWN Turbo-Back Race Exhaust | 3-inch | Colorado & Canyon | 2016–2022
Regular price $599.00
$689.99 Sale price $599.00 Regular price
Unit price /  per 
Upgrade your 2.8L Duramax Canyon or Colorado with this JS Speed Diesel 3" turbo-back exhaust system. Built for competition use, this system delivers maximum flow by replacing your restrictive OEM exhaust with a high-performance stainless steel des...
Ford Powerstroke 6.7L 5" Downpipe-Back Race Exhaust (2011-2022)
Ford Powerstroke 6.7L 5" Downpipe-Back Race Exhaust (2011-2022)
JS Speed Diesel|20 in stock
6.7L Powerstroke Downpipe-Back Race Exhaust | 5-inch 304 or 409 Stainless | Ford | 2011–2026
Regular price $605.00
Sale price $605.00 Regular price
Unit price /  per 
This 5-inch downpipe-back race exhaust replaces the CAT/DPF section and downstream exhaust on the listed 6.7L Powerstroke pickup application. Vehicle fitment 2011–2026 Ford F-250, F-350 and F-450 Super Duty 6.7L Powerstroke pickups. Not compatible...
6.0L Powerstroke Turbo-Back Race Exhaust System | Ford | 2003–2007
6.0L Powerstroke Turbo-Back Race Exhaust System | Ford | 2003–2007
Off-Road Use Only!
Sale
JS Speed Diesel|15 in stock
6.0L Powerstroke Turbo-Back Race Exhaust System | Ford | 2003–2007
Regular price $605.00
$878.90 Sale price $605.00 Regular price
Unit price /  per 
Match the turbo-back exhaust to your 6.0L pickupThis exhaust listing is for the stated 2003–2007 Ford Super Duty pickup applications with the 6.0L Powerstroke and an automatic transmission. It supplies a turbo-back arrangement for a competition bu...
GM Duramax LMM Downpipe Back Exhaust (2007.5-2010)
GM Duramax LMM Downpipe Back Exhaust (2007.5-2010)
Off-Road Use Only!
Sale
JS Speed Diesel|10 in stock
6.6L Duramax LMM Downpipe-Back Exhaust | Chevy & GMC | 2007.5–2010
Regular price $467.50
$660.00 Sale price $467.50 Regular price
Unit price /  per 
Open up your LMM’s airflow and let it breathe. Designed for 2007.5–2010 Silverado and Sierra 2500HD/3500HD pickups equipped with the 6.6L Duramax LMM, this downpipe-back exhaust system improves exhaust efficiency, lowers backpressure, and produces...
Down pipe Back Race Exhaust - GM Duramax 6.6L - 2001-2007
Down pipe Back Race Exhaust - GM Duramax 6.6L - 2001-2007
Sale
JS Speed Diesel|20 in stock
6.6L Duramax LB7/LLY/LBZ Downpipe-Back Race Exhaust | Chevy & GMC | 2001–2007
Regular price $440.00
$797.50 Sale price $440.00 Regular price
Unit price /  per 
Maximize exhaust flow, lower EGTs, and unlock real performance from your early Duramax. This 4" or 5" Downpipe-Back Race Exhaust System is built for 2001–2007 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax e...
Ram Cummins 6.7L Competition Exhaust (2013-2018)
Ram Cummins 6.7L Competition Exhaust (2013-2018)
Sale
JS Speed Diesel|20 in stock
6.7L Cummins Downpipe-Back Competition Exhaust | Ram | 2013–2018
Regular price $529.00
$797.50 Sale price $529.00 Regular price
Unit price /  per 
Choose your diameter. Free the flow. Let your 6.7L Cummins breathe. This Stainless Downpipe-Back / Turbo-Back Race Exhaust System is engineered for 2013–2018 Ram 2500 and 3500 pickup trucks equipped with the 6.7L Cummins. Designed for off-road and...
GM Duramax LML Down-pipe Back Race Exhaust (2015.5-2016)
Sale
JS Speed Diesel|20 in stock
6.6L Duramax LML Downpipe-Back Race Exhaust | Chevy & GMC | 2015.5–2016
Regular price $510.00
$825.00 Sale price $510.00 Regular price
Unit price /  per 
Unlock the performance potential of your 2015.5–2016 Duramax 6.6L with this 4" or 5" Downpipe-Back DPF Delete Exhaust System. Available in T304 or T409 stainless steel, this system replaces restrictive factory components—including the catalytic co...
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