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Description
Pacemaker King Brown | 2.5" Exhaust, Headers & Cat | Nissan Patrol GQ Wagon 4.2L EFI | KB9505-HCMXPacemaker King Brown Single 2. 5" Exhaust with Headers & Catalytic Converter Nissan Patrol GQ Wagon 4. 2L EFI (1987 1997) KB9505 HCMX Completely transform the performance and sound of your classic Nissan Patrol GQ with this ultimate Engine Back King Brown Exhaust System. specifically engineered for the GQ Long Wheel Base (LWB) Wagon fitted with the reliable 4. 2L Fuel Injected Petrol (TB42E) engine, manufactured between 1987 and 1997. This
Pacemaker King Brown Single 2.5" Exhaust with Headers & Catalytic Converter - Nissan Patrol GQ Wagon 4.2L EFI (1987-1997) - KB9505-HCMX
Completely transform the performance and sound of your classic Nissan Patrol GQ with this ultimate Engine-Back King Brown Exhaust System. specifically engineered for the GQ Long Wheel Base (LWB) Wagon fitted with the reliable 4.2L Fuel Injected Petrol (TB42E) engine, manufactured between 1987 and 1997. This comprehensive Single 2 1/2" (2.5 inch) kit is a true end-to-end performance solution, including high-flowing performance headers (extractors) and a high-flow catalytic converter. By scavenging exhaust gases directly from the cylinder head and routing them through an unrestrictive 2.5-inch mandrel-bent system, you will unlock significant gains in horsepower, improved low-end torque for off-roading, and a crisp, deep petrol 6-cylinder exhaust note. Constructed entirely from heavy-duty 409-grade stainless steel, this exhaust system offers extreme durability and immense resistance to rust—perfect for touring and harsh Australian conditions. Proudly Australian Made. Note: Please confirm your vehicle is an EFI equipped 4.2L Petrol GQ Wagon before ordering, as this will not fit Carbureted or Diesel variants.
Features:
A full engine-back replacement engineered for maximum unrestrictive flow, complete compliance, and a commanding exhaust note.
- System Configuration: Complete Single 2 1/2" (2.5 inch) engine-back exhaust system.
- Included Components: Comes complete with tuned-length performance headers (extractors) and a high-flow stainless steel catalytic converter.
- Material: Tough 409 grade stainless steel construction for excellent corrosion resistance and formidable longevity in extreme outback environments.
- Manufacturing: 100% Australian Made for harsh, demanding Australian off-road conditions.
- Performance: Mandrel-bent 2.5-inch piping and high-flow extractors allow the TB42E engine to breathe freely, yielding distinctly improved throttle response, greater low-end pulling power, and enhanced fuel efficiency.
- Sound: Delivers a deep, pronounced petrol 6-cylinder exhaust note without excessive cabin drone.
- Fitment: Designed to utilize existing factory mounting points where possible for a straightforward fitment.
Product Specifications for KB9505-HCMX
| Feature | Value | Feature | Value |
|---|---|---|---|
| Brand | Pacemaker King Brown | Part # / SKU | KB9505-HCMX |
| Product Type | Exhaust Kit with Headers & Cat | System Configuration | Single 2.5" |
| Material | 409 Grade Stainless Steel | Pipe Size | 2.5 Inch (2.5") |
| Fitment Type | Direct Replacement | Vehicle Connection | Engine Back (Bolts to Engine Block) |
| Fabrication Required | No | Includes Headers/Extractors | Yes |
| Includes Catalytic Converters | Yes (High Flow) | Includes Muffler/Resonator | Yes |
| Engine Compatibility | 4.2L EFI Petrol (TB42E) | Application | Off-Road, Touring, 4x4 |
| Body Fitment | Long Wheel Base (LWB) Wagon | Series | GQ Series |
| Country of Manufacture | Australia | Recommended Installation | Professional Installation Recommended |
Important Notes:
- Suits Nissan Patrol GQ Long Wheel Base (LWB) Wagon models manufactured from 1987 to 1997.
- CRITICAL FITMENT: Engineered strictly for the Factory 4.2L EFI (Fuel Injected) Petrol engine (TB42E).
- Will NOT fit models equipped with the Carbureted Petrol engine (TB42S) or Diesel engines.
- Will NOT fit Short Wheel Base (SWB) or Ute models due to chassis, exhaust routing, and fuel tank differences.
- This is a complete engine-back kit including performance headers / extractors and a catalytic converter.
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-HCMX
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| NISSAN | ||||||||
| Nissan | Patrol | 1987 | 1997 | Wagon (LWB) | GQ Series (Y60) | 4.2L EFI Petrol (TB42E) | Standard | 4WD |
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. |
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4.9 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
Rival witch families and friendship
Format: Paperback
Read if you like:
🧙♀️ Young witches
🌈 Inclusive representation
🤝 Found family & healing
🌲 Small-town magic
2️⃣ POV
📍 A holler in rural North Carolina
Cattywampus follows Delpha and Katybird, two girls from rival witch families who are forced into close proximity and slowly begin to form an unlikely friendship. As old grudges and local legends surface, both girls must confront family expectations, hidden truths, and what it really means to belong.
This was such a sweet and heartfelt middle grade read. I loved watching Delpha and Katy’s friendship grow, especially given the history between their families. The twist involving Delpha’s father added emotional depth, and the healing that unfolds by the end was really satisfying. Cozy, thoughtful, and grounded in a strong sense of place, this story beautifully balances magic with big feelings and growth.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Sometimes Two Wrongs DO Make A Right!
Format: Hardcover
I devoured this book in a weekend; it's just wonderful. Delpha and Katybird are strong, clever, kick-butt kids with a fantastic circle of caring and colorful characters around them. Cattywampus is a big, spooky, cinematic adventure with its heart in all the right places, and I loved it.
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Reviewed in the United States on August 9, 2020
★★★★★ 5
Witchy and wonderful
Format: Hardcover
This book is absolutely delightful in every possible way.
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Reviewed in the United States on August 5, 2020
★★★★★ 5
It's rare to see this kind of representation in a book for tweens, and I am 100% here for it!
Format: Hardcover
My 9-year-old daughter loved this book. It's about two 6th grade witches (Delpha and Katybird) from rival Appalachian families who are learning how to use their magic. The book is told from both of their points of view. As a parent, I was pleasantly surprised by the different types of representation in this book and how sensitively they are handled. Delpha's dad left her and her mom when Delpha was little, and they now live in poverty. Delpha's mom is struggling to pay the bills and sells her family heirlooms to Katybird's grandparents, who run a small museum. Katybird is intersex (androgen sensitive) and believes this is messing with her magical powers. Katy's brother Caleb is Deaf and communicates with sign language. Another character, Tyler, has two moms. It's super rare to see this kind of representation in a book for tweens, and I am 100% here for it.
There's a great scene where Katy reflects on attending another girl's "first moon party" and the attendees share stories about getting their first periods. When the other girls hear that Katy will never have a period due to her androgen sensitivity, they are shocked and treat her with pity and say they will pray for her. Katy is upset because she already loves and accepts herself. "As if making babies was the whole point of me existing," she thinks to herself. I seriously loved this example of how well-intentioned behavior can be hurtful. I also liked how characters getting their first periods is treated as something magical and worthy of celebration. There is so much about this book that is like a breath of magical fresh air.
In addition to all the beautiful inclusive elements woven into this book, it's just really FUN. There is a pet raccoon, an enchanted outhouse, zombies, and hexes that go wrong.
The only minor complaint my daughter had was that the plot relies repeatedly on the two main characters being separated and looking for each other.
Otherwise, this book was a winner with our young reader. Write more books, Ash Van Waterloo! We love you!
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Reviewed in the United States on March 24, 2021
★★★★★ 5
Emotional development...
Format: Hardcover
Cattywampus
Ash Van Otterloo
This is the story of Delpha McGill, a girl that doesn’t like rules or keeping secrets. Delpha lives in a small town in rural Appalachia, Howler’s Hollow, where magic is not permitted. She discovers her grandmother’s hidden book of spells which she is determined to use to help her mother.
Katybird Hearn has her own reasons for wanting to get her hands on the book of spells and has resolved nobody is going to stand in her way. She comes from a long line of witches. In the midst of their squabble, they unintentionally allow a curse to escape. The curse is so evil it wakes their dead ancestors, the Hearns and the McGills, The two girls must learn to work together if they are going to save the town from the zombies.
The author uses great sensitivity in incorporating androgen insensitivity in the plot. Androgen insensitivity syndrome is a condition that affects sexual development before birth and during puberty. People with this condition are genetically male, with one X chromosome and one Y chromosome in each cell. Because their bodies are unable to respond to certain male sex hormones (called androgens), they may have mostly female external sex characteristics or signs of both male and female sexual development. Poverty, sorcery, fears, friendship, and ignorant biases are all a part of this book.
Author Ash Van Otterloo portrays life in a southern country town in the mountains and he does so without being demeaning or patronizing. The characters are well fleshed out. While magic is part of the plot, it is merely a means to showcase the emotional development of the two girls. This is a fast-paced read. The target audience is 10-13 years of age.
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Reviewed in the United States on March 15, 2021