SKU: 75939666318

Pacemaker King Brown | 2.5" Exhaust & Headers Kit | Toyota Landcruiser 100/105 Series 4.2L N/A Diesel 1998-2008 | KB12020-HXMX

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Description

Pacemaker King Brown | 2.5" Exhaust & Headers Kit | Toyota Landcruiser 100/105 Series 4.2L N/A Diesel 1998-2008 | KB12020-HXMXPacemaker King Brown Single 2 1 2" Exhaust with Headers Kit Toyota Landcruiser 100 105 Series 4. 2L Non Turbo Diesel KB12020 HXMX Breathe new life into your 1HZ engine with this complete King Brown Exhaust & Headers Kit. Specifically engineered for the Toyota Landcruiser 100 and 105 Series equipped with the workhorse 4. 2L 6 Cylinder Non Turbo Diesel (1HZ) engine, this comprehensive Engine Back system replaces the restrictive factory exhaust manifold

Pacemaker King Brown Single 2 1/2" Exhaust with Headers Kit - Toyota Landcruiser 100/105 Series 4.2L Non-Turbo Diesel - KB12020-HXMX

Breathe new life into your 1HZ engine with this complete King Brown Exhaust & Headers Kit. Specifically engineered for the Toyota Landcruiser 100 and 105 Series equipped with the workhorse 4.2L 6-Cylinder Non-Turbo Diesel (1HZ) engine, this comprehensive Engine Back system replaces the restrictive factory exhaust manifold and underbody piping. By incorporating high-flowing Pacemaker extractors (headers) and a mandrel-bent Single 2 1/2" (2.5 inch) exhaust, it drastically improves engine breathing and exhaust gas scavenging, which is crucial for maximizing the performance of naturally aspirated diesels. Constructed with top-grade 409 stainless steel, this exhaust system is exceptionally tough, durable, and built to handle Australia's harshest off-road environments. Proudly Australian Made for Australian Conditions, it optimises torque, improves throttle response, and delivers a robust, deep exhaust note. Get the elite performance and reliability you deserve with this Brand New King Brown Exhaust System by Pacemaker. Note: Please confirm your vehicle is a Toyota Landcruiser 100 or 105 Series with the naturally aspirated 4.2L Non-Turbo Diesel (1HZ) engine (built 1998 to 2008) before ordering.

Features:

Engineered for maximum unrestrictive flow right from the engine block, ensuring heavy-duty chassis clearance and rugged outback reliability.

  • System Configuration: Complete Single 2 1/2" (2.5 inch) replacement exhaust system, including high-flow performance extractors (headers).
  • Material: Tough 409 grade stainless steel construction for excellent corrosion resistance and extreme longevity.
  • Manufacturing: 100% Australian Made for harsh, demanding Australian conditions.
  • Performance: Mandrel-bent piping combined with tuned-length headers significantly improves exhaust gas scavenging, resulting in better low-down torque and overall engine efficiency for the 1HZ engine.
  • Sound: Delivers a clean, deep 6-cylinder diesel note without overbearing cabin drone.
  • Fitment: Designed as a direct bolt-on Engine Back replacement utilizing factory mounting points for superior fitment.
Product Specifications for KB12020-HXMX
Feature Value Feature Value
Brand Pacemaker King Brown Part # / SKU KB12020-HXMX
Product Type Exhaust & Headers Kit System Configuration Single 2.5"
Material 409 Grade Stainless Steel Pipe Size 2 1/2 Inch (2.5")
Fitment Type Direct Bolt-On Replacement Vehicle Connection Engine Back
Fabrication Required No Mounting Uses Factory Mounting Points
Includes Headers/Extractors Yes Includes Catalytic Converters No
Engine Compatibility 4.2L 6-Cyl N/A Diesel (1HZ) Application 4x4, Touring, Towing
Body Fitment Wagon Series 100 / 105 Series
Country of Manufacture Australia Recommended Installation Professional Installation Recommended

Important Notes:

  • Suits Toyota Landcruiser 100 and 105 Series Wagon models manufactured from 1998 up to 2008.
  • Engineered specifically for the Naturally Aspirated (Non-Turbo) 4.2L 6-Cylinder Diesel (1HZ) engine.
  • This is a complete Engine Back kit and includes Pacemaker performance extractors (headers) for maximum flow.

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 KB12020-HXMX
Make Model From To Body Series Engine Variant Drivetrain
TOYOTA
Toyota Landcruiser 1998 2008 Wagon 100 / 105 Series 4.2L 6-Cyl Non-Turbo Diesel (1HZ) 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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Shipping Notes
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SKU: 75939666318

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RD
Port Orchard, US
★★★★★ 4
As expected
Size: 1.45 Pound (Pack of 1)
As expected Flavor is kinda gross
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Reviewed in the United States on May 11, 2026
K
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Kelly Aldrete
Grantham, US
★★★★★ 5
Good flavor
Size: 1.45 Pound (Pack of 1)
Good flavor. I quit drinking Metamucil in the past because I didn't like the orange. I was reluctant to try a different flavor but after reading many positive comments about this one I decided to try it. I was not disappointed. Thank you to all who left positive comments about the Berry flavor.
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Reviewed in the United States on February 11, 2026
R
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Robert Kern
Alexandria, US
★★★★★ 5
Great Product, Works as Advertised
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
This product works exactly as described. It makes BM's smoother and gentler. I personally use the unflavored, no sweeteners added version, and honestly, it does not taste very good, but I feel that the results are worth it, and I do not like adding extra sweeteners or flavorings to my diet. I have used this product for many years and have found that about 1 1/2 to 2 tbsps in 12 ounces of water works the best for me. You will need to experiment a bit to find the ratio that works best for you. I recommend that you start on the low side and gradually increase the amount of Metamucil as needed.
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Reviewed in the United States on March 26, 2026
E
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EZ
Bozeman, US
★★★★★ 5
Healthy, Effective, and great when mixed with Splenda and Koolaid mix. The best of many options I've tried.
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I've sampled a few different varieties of fiber supplements, including both Benefiber and off-brands, and I found that Metamucil provided the most fiber in the least offensive beverage. Compared to the other brands, this stuff is smoother textured, and goes down easier, as a sort of happy medium between the grittier supplements and the thicker ones. What about effectiveness? I have apocalyptic IBS, and since starting to take this stuff regularly (one giant glass every morning and evening), my BMs have been much more regular, and more manageable. Flare-ups happen less, and it even seems to do a decent job when taken with meals of cutting the hit to my stomach and gut. I tend to take more than the recommended amount, with an even larger serving of water, as I feel like it helps me stay hydrated and full throughout the day. I started taking the classic orange Metamucil, but although I really liked the superior flavor (rather like Orange Tang) it packed several times more sugar in each serving than fiber, so while it was great for digestive health, the overall health impact was too negative. I also sampled the sugar-free berry flavors, but found that, although it was ostensibly healthier, the flavor wasn't great, and in addition it suffered from the aspartame aftertaste and further effects (Aspartame gives me headaches). So this was a dilemma for me. What to do? I actually wrote to Metamucil about it, and they recommended this product. The downside is that it comes with absolutely no flavor, so you need to provide your own in order to mask the texture (I wouldn't dream of trying to mix this in plain water--yuck!) The upside is they pack 100+ servings into a container, and you really are free to blend it into whatever suits your fancy. Obviously if you mix it with something like orange juice, then you're already negating the benefits of this stuff over the sugary orange flavor, but I've personally found a much better way. I like to mix this stuff with Kool-aid mix and Splenda (Sucralose) sweetener. I buy a ton of Splenda and kool-aid as it mixes up tasting sweet, like sugar, but without the calories or aftertaste. You can dump a spoonful of this stuff into a glass of splenda-koolaid, or just dump 8 servings worth of this stuff in with a packet of koolaid powder and a cup of splenda, and then just mix it up and spoon it into water as needed. Better tasting, sugar-free and packed with good useful fiber. EDIT: I wish I could subscribe to this stuff. Price of splenda has gone up, but I've figured out thatyou can just dump 7 packets of koolaid mix and 7 dashes of sucralose into a container of this and shake it up.
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Reviewed in the United States on February 26, 2015
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Review Dude
Lexington, US
★★★★★ 5
#1 for #2's
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I like the lack of sweeteners and flavor. I just want the stuff that helps me poop. There is some citric acid in it (no idea why) which gives it a mildly acidic taste. Other than that, it does the trick.
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Reviewed in the United States on March 23, 2026

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