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SPELAB 4''/5'' turbo-back for Dodge Ram 6.7L Diesel replaces the entire exhaust system from the turbocharger outlet all the way to the tailpipe. Every component is optimized for maximum flow - including a performance downpipe, mid-pipe with optional resonators, and an aggressive-sounding muffler or straight-through tail section. This end-to-end system delivers the ultimate in power gains, throttle response, and that deep, authoritative exhaust note true enthusiasts crave.

Specification

Exhaust Material	T-409 Stainless Steel, it is magnetic.
Thickness	2mm thick for long-lasting durability and heat resistance.
Inlet Diameter	4.0"/5.0‘’
mandrel-bent construction	Maximum flow efficiency, helping your diesel breathe easier

Benefits

Expect to see a significant increase in fuel mileage. If your DPF is plugged up your probably averaging about 13-14 mpg. More or less depending on the severity of the restriction. After deleting the DPF/CAT expect to get a combined mileage of 18-19 mpg.

It removes the need to service the DPF at regular intervals (cleaning, replacement)
A DPF delete will remove the possibility of a DPF failure which could cause expensive diesel repairs
Due to less exhaust backpressure, the DPF delete increases exhaust flow and therefore increases the performance of your motor!
Paired with an ECU remap, the DPF delete is proven to increase power and torque for all vehicles
You will get a FREE high-quality exhaust tip for 4''&5'' Dp-back – unlike others who charge extra!

Installation

Install takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.
Tuner Required: Removal of the DPF, CAT, SCR, and/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.

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2013-2018 Dodge Ram 2500/3500 6.7L Diesel.
Will not fit on 2500 with air-ride!

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What is the DPF and is it worth doing a DPF Delete?

Most post-2007 diesel vehicles are fitted with a Diesel Particulate Filter (DPF) for emissions reasons, however there are a few disadvantages to this device; including constant maintenance and repairs.

Because the DPF clogs up, it increases backpressure. Due to this pressure, the fuel flow is hugely disturbed and slowed down. Therefore, when you remove this filter, the fuel flows much easily and faster, increasing the overall fuel mileage.

FAQ

Q1. What’s the difference between 4" and 5" exhaust systems?

4" – Better for mild/moderate tunes, retains some backpressure for low-end torque.
5" – Best for high-horsepower builds, maximizes flow for reduced EGTs and top-end power.

Q2. Will a magnet stick to this pipe? Is it really stainless steel?

Yes – This pipe uses T-409 stainless steel, which is still magnetic (unlike T-304). It offers excellent corrosion resistance while being more affordable than T-304.

Q3. How thick is the pipe? Will it last?

2mm thick T-409 stainless steel – Durable enough for long-term use without excessive weight.

Q4. Will this improve performance?

Yes! Benefits include:
Lower EGTs (Exhaust Gas Temperatures)
Faster turbo spool
Better fuel efficiency (with proper tuning)
No more DPF clogging issues

Q5. Is this street legal?

⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition/racing use only.

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Fast Shipping Policy

Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Click for Shipping Policy

Easy Return Policy

Every order comes with a 14-day free return, which means you don't have to pay for a return slip. Click for Return Policy

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