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Description
Pacemaker King Brown | Single 2.5" Exhaust & Headers Kit | Nissan Patrol GQ 4.2L LWB 1987-1997 | KB9505-HXMXPacemaker King Brown Single 2. 5" Exhaust Kit with Headers Nissan Patrol GQ 4. 2L N A Diesel & Non EFI Petrol LWB KB9505 HXMX Experience the unparalleled power and reliability of a King Brown Exhaust System. Constructed with top grade 409 stainless steel, this complete Single 2. 5" engine back exhaust system is exceptionally tough and durable. Proudly Australian Made for Australian conditions, it delivers superior quality and unobstructed flow,
Pacemaker King Brown Single 2.5" Exhaust Kit with Headers - Nissan Patrol GQ 4.2L N/A Diesel & Non-EFI Petrol LWB - KB9505-HXMX
Experience the unparalleled power and reliability of a King Brown Exhaust System. Constructed with top-grade 409 stainless steel, this complete Single 2.5" engine-back exhaust system is exceptionally tough and durable. Proudly Australian Made for Australian conditions, it delivers superior quality and unobstructed flow, allowing you to maximize the torque and efficiency of your 4.2L Patrol. Supplied complete with Pacemaker performance headers (extractors), this system dramatically improves engine breathing. Get the durability, reliability, and robust performance note you deserve with this Brand New King Brown Exhaust System by Pacemaker. Note: Please confirm your vehicle is a Nissan Patrol GQ Long Wheel Base (LWB) Wagon with either the 4.2L N/A Diesel (TD42) or 4.2L N/A Carbureted Petrol (TB42) engine (1987-1997) before ordering. This system does NOT fit EFI Petrol variants.
Features:
Engineered for maximum flow and rugged durability for your 4x4 and touring lifestyle.
- System Configuration: Complete Single 2.5" (2 1/2 inch) engine-back exhaust kit.
- Included Components: Includes high-performance Pacemaker headers (extractors) for optimal cylinder scavenging and power gains.
- Material: Tough 409 grade stainless steel construction for excellent corrosion resistance and longevity.
- Manufacturing: 100% Australian Made for harsh Australian conditions.
- Fitment: Designed to replace the factory manifold and exhaust system using factory mounting paths.
- Performance: Significantly improves exhaust flow, throttle response, and provides a deep performance note suitable for touring and off-roading.
Product Specifications for KB9505-HXMX
| Feature | Value | Feature | Value |
|---|---|---|---|
| Brand | Pacemaker King Brown | Part # / SKU | KB9505-HXMX |
| Product Type | Exhaust Kit with Headers | System Configuration | Single 2.5" |
| Material | 409 Grade Stainless Steel | Pipe Size | 2.5 Inch (2 1/2") |
| Fitment Type | Direct Bolt-On | Vehicle Connection | Engine Back |
| Fabrication Required | No | Mounting | Uses Factory Mounting Points |
| Muffler / Resonator | Included | Sound Level | Deep Performance Note |
| Engine Compatibility | 4.2L N/A Diesel & Non-EFI Petrol | Application | 4x4, Touring, Towing, Off-Road |
| Body Fitment | Wagon (LWB) | Series | GQ |
| Country of Manufacture | Australia | Recommended Installation | Professional Installation Recommended |
Important Notes:
- Suits Nissan Patrol GQ Long Wheel Base (LWB) Wagon models configured with either the 4.2L N/A Diesel (TD42) or 4.2L N/A Carbureted Petrol (TB42) engines, manufactured between 1987 and 1997.
- This is a complete engine-back system that replaces the factory exhaust manifold and exhaust pipework.
- Kit includes Pacemaker performance headers (extractors).
- Does NOT suit 4.2L Petrol EFI (Electronic Fuel Injection) models. For EFI vehicles, a catalytic converter system is usually required by law (see part KB9505-XCMX).
- Bolts directly to factory mounting points. Professional installation is highly recommended due to the inclusion of headers.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
Vehicle Applications for KB9505-HXMX
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| NISSAN | ||||||||
| Nissan | Patrol | 1987 | 1997 | Wagon (LWB) | GQ | 4.2L N/A Diesel (TD42) | Not specified | 4x4 |
| Nissan | Patrol | 1987 | 1997 | Wagon (LWB) | GQ | 4.2L Petrol Carbureted (TB42) | Not specified | 4x4 |
Warranty Information
| Product | Warranty Period |
|---|---|
| Pacemaker Headers | Two (2) years. |
| Pacemaker King Brown 4x4 Exhaust systems | Five (5) years. |
| Pacemaker Sports exhaust systems | Five (5) years. |
| Fabrication products and accessories | One (1) year. |
Payment & Security:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 4
auto-rolling dog ball
I don't know what i'm doing wrong but my pets don't enjoy it. It's mobile on both settings. I think it just needs a place inside to place a treat or something. Quality seems okay. The battery lasts a long time. They chewed on it for a little bit and left it, the material is okay. It's made of some kind of rubber.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Fun, Interactive Toy That Keeps Pets Engaged
Summary: A smart rolling dog toy that helps reduce boredom and keeps pets active with minimal effort.
Pros:
Auto-rolling feature keeps play engaging
Durable, chew-resistant design
Encourages activity and mental stimulation
Simple to use with minimal setup
Works well for solo play sessions
Cons:
May be noisy on hard floors
Not ideal for very aggressive chewers
Battery life could be longer
Movement pattern can feel repetitive
Overall review:
This interactive dog ball is a great option for keeping pets entertained, especially when they need something to do on their own. The auto-rolling feature is the main highlight—it moves unpredictably enough to grab attention and keep dogs engaged for longer than a standard toy. It’s especially useful for reducing boredom when you’re busy or not able to actively play.
The build feels fairly durable and holds up well for regular chewing, though it’s probably not meant for extremely aggressive chewers. On hard floors, it can be a bit noisy as it moves around, and over time, the movement patterns may start to feel repetitive to more curious dogs. Still, it does what it’s designed to do—encourage activity and provide stimulation. Overall, it’s a fun and practical toy that adds some variety to a dog’s play routine.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Fun for an active dog!
I have an Australian Shepherd that absolutely loves this auto rolling dog ball! The ball is hard, but covered in a rubber coating. It is still loud when it hits the floor, but that is to be expected. My dog has chased this as well as thrown this ball, and it is still working flawlessly! This ball is definitely durable! It is easy to charge, and provides hours of entertainment! The ball is a great size for a medium dog. I recommend it!
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Reviewed in the United States on June 5, 2026
★★★★★ 1
Auto-Rolling Dog Ball - loud with a mystery filling.
I got this to entertain my high energy dog and she does like it, but I don't.
The ball is incredibly loud and doesn't move around nearly as much as I had hoped. When your dog picks it up, it turn their mouth into an amplifier making it louder.
It bounces/vibrates around more than rolling. Which is not what I expected, but seems to be engaging enough for more dog (but that doesnt take much).
What I really dislike is there is no way on the exterior to know what mode you are in and the inside is full of grease. To charge it and to see the lights to identify what mode it is involves opening it and touching the grease covered insides. The lights don't seem to match the instructions when trying to switch modes. The light is supposed to stay on for 3s. It doesn't for either mode and immediately cycles through other colors making it more confusing.
The exterior seems durable enough for a moderate chewer and I like the color and texture.
At $15, it seems like a fair price, but I can't recommend this at any price point. I don't feel comfortable letting my dogs play with toys that could easily expose them to an unidentified grease. Any greased components should be sealed. Not somewhere I have to touch for normal operation and potentially leak.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Gentle vibrations and rolling
My sweet old man dog didnt know what to think of this at first. We introduced it to him without turning it on at first, like a regular ball. That was fine, he was good with that and he liked to go chasing it (its heavy because its mechanical so I wouldnt throw it, a light toss/roll is how we started).
After we played that way a while we turned it on. At first he was confused as to why his toy was chasing him. It mostly vibrates and bops around a bit. But then my pup started chasing it and kicking it around like a little soccer ball and he LOVED THAT. A charge lasts quite a while too and if he doesnt play with it in for a few minutes it goes to sleep so its not just bouncing constantly and driving me crazy.
My pup likes it and it gives me a rest from the constant throwing so I'm happy!
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Reviewed in the United States on April 7, 2026