Jeep Grand Cherokee WK2 V8: the 6.4-litre set free, the exhaust system guide
The Grand Cherokee WK2 with the 6.4-litre V8 is an SUV like no other: a model with an off-road heritage powered by a big 477 hp naturally aspirated American engine. With no turbo to filter the sound, everything happens in the exhaust, and it is precisely the factory exhaust that muffles this engine. This guide helps you choose the ROG exhaust that frees its voice, while keeping everyday use in mind.
Written by ROG Motorsport · Updated
Your ROG exhaust for the Jeep Grand Cherokee WK2 V8
From €2,490 in stainless steel, €2,990 in titanium
Configure my exhaust- Vehicles
- Jeep Grand Cherokee WK2 V8 6.4 (2012-2020)
- Engine
- 477 hp · 637 Nm
- Exhaust
- Valved cat-back, built for your VIN
- Material
- 304 stainless steel or titanium
- Valves
- ROG remote, or factory control if your vehicle has it
- Lead time
- 20 working days from order confirmation to delivery
- Warranty
- 3 years, parts and workmanship
The 6.4-litre HEMI V8: the SRT version of the Grand Cherokee WK2
The 6.4-litre fitted to the Grand Cherokee WK2 SRT is a naturally aspirated HEMI V8, with a single camshaft in the block and hemispherical combustion chambers, in pure American tradition. It produces 477 hp and 637 Nm, sent to all four wheels. Its massive torque, present from the very lowest revs, moves this large SUV with astonishing ease, and every press of the throttle translates into a firm surge of thrust.
No turbo is there to soften the pulses of this V8: everything it produces goes through the exhaust. The WK2's factory exhaust is therefore tasked with containing it, and it does so well that the HEMI's rumble reaches the cabin muffled. The ROG valved exhaust replaces it without touching the engine or the ECU. The choice is yours: a peaceful SUV for the road, or the full voice of a big V8 whenever the mood takes you.
What makes up the exhaust on your Jeep Grand Cherokee WK2 V8
Here is what the ROG exhaust replaces, and where the sound is shaped.
The cat-back is the complete exhaust system
It is everything you can see under your Jeep Grand Cherokee WK2 V8, all the way to the tips: pipes, silencer, valves. This is where our research and development is focused, and it is what shapes the sound. It fits without touching the engine or the ECU.
Your Jeep Grand Cherokee WK2 V8 in figures
On a modern car, an exhaust system first changes the voice, the breathing and the weight at the rear. Power, on the other hand, comes from an ECU remap.
Power
Torque
Published factory and Stage 2 figures.
Our exhaust systems work perfectly with or without an ECU remap. On your Jeep Grand Cherokee WK2 V8, however, we recommend having it done at an approved tuning centre: it is what lets the engine reach its full potential.
Configuring your exhaust, step by step
3 choices, in the same order as the product page configurator.
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Step 1 of 3: Material: stainless steel or titanium
For your Jeep Grand Cherokee WK2 V8, the exhaust costs €2,490 in stainless steel and €2,990 in titanium.
304 stainless steel
2 490 €
- Weight
- Baseline
- Sound
- Full and rounded
The benchmark for high-end exhausts: tough, corrosion-proof, with a full, rounded sound. The choice of most of our customers.
Titanium
2 990 €
- Weight
- Around 40% lighter
- Sound
- Metallic, crystal-clear
Around 40% lighter than stainless steel for the same design, with a more metallic sound that turns crystal-clear at high revs. Its finish ranges from brushed to blued tints.
Over time, both hold up: 304 stainless steel stands up to winter salt and damp, and titanium does not rust. Stainless steel or titanium: what really changes.
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Step 2 of 3: Valves: ROG remote or factory control
Two ways to control the valves on your Jeep Grand Cherokee WK2 V8.
ROG remote
A small control unit fits in the boot. Two buttons, open and closed: the valves respond at any moment, whatever the drive mode. Simple to fit, and we stay on hand throughout the installation.
Factory control
- Only for vehicles fitted with factory valves
- Controlled by the drive modes
If your vehicle is fitted with factory valves, the exhaust keeps their existing control. The drive modes decide, just as they did from the factory, with no added electronics.
On the motorway, with the valves closed, the gases pass through the silencer, designed for cruising: no drone at a steady speed. You open up when you feel like it, not when the motorway decides for you. More about exhaust drone.
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Step 3 of 3: Tips: the visual signature
Match the tips to the style of your Jeep Grand Cherokee WK2 V8, understated or bold. A particular finish in mind? Send us a photo and we will look at it together.
- Stainless steel
- Black
- Carbon
- Blued titanium
The ROG sound signature on the Grand Cherokee WK2's V8
The 6.4-litre HEMI has a deep, thick voice, with a lumpy idle that betrays its cross-plane crankshaft and a full-bodied climb through the revs, with no shrillness at all. In the WK2, the factory exhaust keeps only the lowest register, a deep murmur, and erases the breadth that makes this engine so appealing.
With the valves open, the ROG exhaust gives the Grand Cherokee the rumble of a true American V8: a start-up you can hear, full-bodied acceleration and rounded downshifts. With the valves closed, it becomes once again a big, comfortable SUV, discreet on the motorway and in town alike, for travelling without fatigue.
From order to fitting
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Configuration
You choose your exhaust and enter your VIN, found in box E of your registration certificate.
-
Check
We check compatibility with your VIN before manufacturing begins.
-
Manufacturing
Your exhaust is made to order, for your car.
-
Delivery
Free in Europe, insured to your door, tracked from dispatch.
-
Fitting
No welding or cutting: clamps and gaskets, around two hours on a lift.
20 working days from order confirmation to delivery
- Warranty
- 3 years, parts and workmanship, from the date of delivery
- Payment
- In instalments with Klarna
- Installation
- At the garage of your choice
What about the manufacturer's warranty on your Jeep Grand Cherokee WK2 V8? In Europe, a manufacturer cannot refuse warranty cover simply because a part from another brand has been fitted: it has to prove that the fault comes from that part. Our article on the manufacturer's warranty.
Our recommendations for your Jeep Grand Cherokee WK2 V8
-
Daily driving
2 490 €
- Stainless
- ROG remote
The best balance of price, sound and comfort.
View this configuration -
Enthusiast
2 990 €
- Titanium
A lighter exhaust, with a more metallic note at high revs.
View this configuration -
Style
2 990 €
- Titanium
- Blued titanium or black tips
An exhaust is seen as much as it is heard.
View this configuration
And if you are still unsure, that is perfectly normal: it is exactly why we answer the phone.
Jeep Grand Cherokee WK2 V8: your questions
How much power does an exhaust add on the Jeep Grand Cherokee WK2 V8?
As standard, the Jeep Grand Cherokee WK2 V8 produces 477 hp and 637 Nm. An exhaust system on its own mainly changes the sound, the breathing and the weight; power is gained with an ECU remap.
Stainless steel or titanium: which material for the Jeep Grand Cherokee WK2 V8?
For the Jeep Grand Cherokee WK2 V8, the ROG exhaust costs €2,490 in stainless steel and €2,990 in titanium. 304 stainless steel is tough, rounded in tone and the most popular choice; titanium is around 40% lighter for the same design, with a more metallic sound at high revs.
Is the ROG exhaust loud all the time on the Jeep Grand Cherokee WK2 V8?
No. With the valves closed, the gases pass through the silencer and the sound stays comfortable. With the valves open, the engine speaks freely. You switch from one to the other at any moment, with the ROG remote or the factory control if your vehicle has it.
Can the Jeep Grand Cherokee WK2 V8 pass the French MOT with a ROG exhaust?
The ROG exhaust replaces the rear part of the exhaust, without touching the engine or the ECU. Present the car with the valves closed: it is the most discreet setting.
How is the ROG exhaust fitted on the Jeep Grand Cherokee WK2 V8?
No welding or cutting, using clamps and gaskets. Allow two hours on average for a well-equipped mechanic. The exhaust is built for your VIN, which guarantees compatibility before it ships.
What price and lead time for a ROG exhaust on the Jeep Grand Cherokee WK2 V8?
From €2,490 to €2,990 depending on the configuration. Allow 20 working days from order confirmation to delivery. Free delivery in Europe and a 3-year warranty.
Unsure about your configuration? Give us a call.
Stainless steel or titanium, ROG remote or factory control: the right choice depends on how you drive and on your Jeep Grand Cherokee WK2 V8. We take the time to talk it through before you order, with a reply within 24 hours. We are not here to sell to you over the phone: we help you choose, even if that means a cheaper option because it suits the way you drive.
RogMotorsport is a French brand built on one conviction: with an exhaust system, the support matters as much as the product. More than 500 exhaust systems fitted and a rating of 4.9 out of 5.
Further reading
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