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Description
Pacemaker 2.5" Performance Exhaust System with Tri-Y Headers for HSV VU VY Series 1 5.7L V8 Ute (Rear Pipe Only) - PP5367-26Pacemaker Full 2. 5" Performance Exhaust System with Tri Y Headers & Hi Flow Cats for HSV VU & VY Series 1 Utility (5. 7L Gen III V8) Rear Pipe Only Layout PP5367 26 Unleash devastating low to mid range torque, optimize scavenging velocity tracking, and extract a raw, track inspired muscle car bark from your engine block with the Pacemaker Sport Systems full 2. 5 inch performance exhaust solution featuring high efficiency Tri Y tuned extractors.
Pacemaker Full 2.5" Performance Exhaust System with Tri-Y Headers & Hi-Flow Cats for HSV VU & VY Series 1 Utility (5.7L Gen III V8) - Rear Pipe Only Layout - PP5367-26
Unleash devastating low-to-mid range torque, optimize scavenging velocity tracking, and extract a raw, track-inspired muscle car bark from your engine block with the Pacemaker Sport Systems full 2.5-inch performance exhaust solution featuring high-efficiency Tri-Y tuned extractors. Specifically configured to maximize power curves on elite HSV Gen III 5.7L V8 commercial performance architectures (LS1 powerplants), this premium package pairs race-bred performance hardware with an aggressive, straight-through rear section design. Custom-molded specifically to match the utility floor pan lines, clear flat cargo load beds, and map perfectly around vehicle-specific rear suspension layouts, it completely eliminates power-robbing backpressure under wide-open throttle transitions. This track-biased version features a specialized 'Rear Pipe Only' layout configuration that deletes standard rear restrictive mufflers, completely opening up your vehicle's external sound fields. As Australia’s premium exhaust innovator, Pacemaker combines this heavy-hitting flow with 3" metallic high-flow catalytic converters and heavy-duty Tri-Y primary runs, generating an uncompromising acoustic statement when accelerating while ensuring straightforward, direct bolt-up compatibility underneath your performance utility platform.
Note: Fits HSV VU and VY Series 1 Utility (Ute) variants built from 2000 to 2003 equipped with the 5.7L Gen III V8 engine layout; does not fit Sedan, Station Wagon, One Tonner, or later VE/VF generation platforms due to significant chassis length, structural floor contour, and hanger position variations.
Features:
Precision-manufactured in Australia to deliver a heavy-duty high-flow upgrade, exceptional structural longevity under intense heat, and a raw, track-biased performance acoustic profile.
- Complete Performance Kit: Comprehensive track performance upgrade incorporating premium tuned Tri-Y headers, 3" high-flow metallic catalytic converters, and a matching full 2.5-inch performance intermediate-to-rear layout path.
- Tuned Tri-Y Design Architecture: Secondary-paired pipe layout engineered specifically to build exceptional low-to-mid range torque response, making it the perfect upgrade for heavy utility chassis acceleration tracking.
- Rear Pipe Only Configuration: Stripped-back straight tailpipe construction deletes the rear mufflers to maximize volumetric gas velocity while establishing an exceptionally loud, crisp, uncompromised V8 acoustic bark.
- Utility Specific Clearance: Custom-tailored plumbing path configured to route cleanly beneath flat cargo bed structures, drop-sides, and vehicle-specific commercial chassis lines.
- Premium Materials: Constructed completely from durable, heavy-gauge Exhaust Grade 409 Stainless Steel to ensure superior structural longevity and resistance to thermal fatigue.
- High-Flow Mandrel Bent Tubing: Rigid full 2.5" (63.5mm) pipe structure guarantees a smooth, uniform internal diameter through all bends to eliminate gas turbulence and prevent flow restriction.
- Direct Bolt-On Layout: Engineered as a comprehensive, vehicle-specific full bolt-up kit that mounts directly onto existing factory rubber hanger positions—no custom fabrication required.
| Product Specifications for PP5367-26 | |||
|---|---|---|---|
| Brand | Pacemaker Sport Systems | Part # / SKU | PP5367-26 |
| Product Type | Full Performance Header & Exhaust Kit | Header Configuration | Tuned Tri-Y Primary Run Architecture |
| System Piping Size | High-Flow 2.5" (63.5mm) Mandrel Tubing | Acoustic Layout | Rear Pipe Only (Muffler Bypass Design) |
| Engine Compatibility | 5.7L Gen III LS1 V8 | Catalytic Converter | 3" Premium High-Flow Metallic Converters |
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HSV (HOLDEN SPECIAL VEHICLES) UTILITY | ||||||||
| HSV | Maloo / Utility | 2000 | 2002 | Utility (Ute) Only | VU Series (VU & VU II) | 5.7L Gen III LS1 V8 | Maloo / Maloo R8 layouts | RWD |
| HSV | Maloo / Utility | 2002 | 2003 | Utility (Ute) Only | VY Series 1 (S1 Only) | 5.7L Gen III LS1 V8 | Maloo / Maloo R8 configurations | RWD |
Important Fitment Notes:
- Specifically engineered to fit HSV VU and VY Series 1 Utility (Ute) configurations powered by the 5.7L Gen III V8 engine layout.
- Utility Specific Geometry: Designed strictly to conform around traditional VU/VY commercial floor pan paths, under-tray structural clearances, and specific rear subframe hanger anchors. It will not adapt to Sedan, Station Wagon, One Tonner, or later generation VE/VF utility platforms due to major structural blueprint layout and spacing variations.
- Acoustic Profile Note: This specialized setup features a straight-through rear pipe configuration with no rear acoustic muffler boxes. It will generate an exceptionally aggressive, highly pronounced V8 racing tone that is significantly louder than muffled sports applications.
- Direct full bolt-up architecture interfaces seamlessly with original vehicle-specific rubber hanger brackets. No custom modification or cutting layout mapping is required.
- Professional automotive performance technician installation is highly recommended to guarantee ideal ground clearance, check steering column tolerances, verify proper pipe routing, and ensure completely gas-tight structural seals under the floor pan.
Warranty Information
| Product | Warranty Period |
|---|---|
| Pacemaker Sports Exhaust Systems | Five (5) years. |
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Exchange/Return Notes
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4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Recomendado
Color: 6638: Gold band & Green dial
Excelente! Me gustó mucho y si cumplió con mis expectativas
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Exelente
Color: 6638: Gold strap & Blue dial
Ha salido muy bueno
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Compared to g-shock?
Color: Black/Yellow
Firstly random public reviews can be comical…”it’s has a battery, terrible, One star” or “I don’t like yellow, one star” omg peoples do better. I’ll review this while comparing to an older style of g-shock from the same era. I’ll start by saying this timex rocks, for me in my mid 50’s it’s so retro and nastalgic, brings back memories, I may have even owned this model back in the day. What’s great about it- the display, larger digits than the typical g-shock and they are super crisp, clear and easy to read. The indiglo is awesome. This is the most accurate quartz watch I have aside from the atomic g-shocks that adjust themselves daily. I prefer a chunky watch and the g-shocks do a better job in that department. i feel this watch is rugged, but I’d still give the nod to g-shock in this department. 200M water resistance is the gold standard and this watch has it which I love for peace of mind for any water based activities. This is a 5 star watch at a great price. I still love some aspects of a g-shock better but its just preference.
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Everybody loved the high-tech style and amazing functionality
Color: Black/Yellow
I'm not a Timex fanboy, and I've had my fair share of problems with the Expedition line, so this review is my honest opinion as a man who's worn Armitrons and Timexes since I was 10.
I remember in 1992 when the Timex Ironman Triathlon with Indiglo was first launched - My older brother got one, then me and my neighbor friends. Everybody loved the high-tech style and amazing functionality. Even Bill Clinton was rock'n this watch, for those who don't remember.
Quite simply, this is the perfect watch at a great price, in my opinion. Perfect as a gift for any man, and I think the original black/olive drab/yellow coloration is still the coolest. In this day and age of smartphones, it still pays to have this watch. The alarm is less annoying sounding than a cellphone, and doesn't wake up the entire house. To turn it off, just tap the watch, no more reaching for the phone or alarm clock. Timer comes in handy for anything; timing my kids' timeouts when they get in trouble, 15 minutes room clean-up times, etc. Chrono is fun for anything you wanna use a stop-watch for. I set the second time zone for Vietnam time. It really is a million times easier to use this watch for all of its functions than reaching for a smartphone or alarm clock, etc. If you;ve been relying on your phone for a few years as a watch/chronograph/timer/alarm - you'll be so glad you finally got a watch like this.
I've never tried a smart-watch, however I feel those are not as necessary,durable or practical as a real watch. Other Timex watches I've used were freakin' trash - couldn't throw em away fast enough. Might as well open the box while holding it over a trash can, so the watch can fall right in when you open the box. That's my experience with the Expedition line-up.
Back to this watch: The only thing I wish this watch could do is measure activity thermogenesis (calories expended throught the day) or work as a pedometer, which some smart-watches and other devices can do. I also cannott decide if I like this new, slightly larger, heavier/thicker design of the Ironman Triathlon over the 1990s design. The 90s models styling was "tight to death'. Star-split buttons were seperated. The mode button was yellow. Overall more compact and bi-cultural;by that I mean it looked great as an athletic watch or a politician, business man wathc. This new model is bigger, better ingress/shock resistance, and more of an athletic style over all, and is a little less colorful.
I almost went with the G-shocks, but they still just look like crap and are waay to expensive. Sure, they have some better features, can survive WWIII, but I am a traveler. I need a watch that can work in the dark in any environment. The G-shocks are often using some kind of solar battery crap and rely on cathing a signal from an American automic clock in Colorado - good luck with that while your in Thailand on vacation.
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Reviewed in the United States on December 31, 2016
★★★★★ 5
Great Product. Easy to use.
Color: Black
This is the third running watch I've had and it's my first Timex. I've owned to Casio's before (one being a g-shock), but after finding my g-shock to bulky and cluttered, and loosing my other Casio I picked up from Walmart, I decided to look around to find a new durable running watch.
I run cross country and track so going from a generic stopwatch to a 30-lap chrono watch has been sweet. The lap timer is easy to use and the display is big enough to take a glance and see my split and total time side by side. The recall feature works perfectly and you even have some room to adjust the settings to configure your lap display how you like it.
My favorite thing about this Timex, is its ease of use. The only time I've had to look at a manual is when I first got the watch. The display updates as you go through the various modes to show you what the new buttons mean so there is never a question on how to set the time or recall your laps.
This watch is extremely durable. It has already taken a few shots and I've swam with it on several times. The screen and body have held up nicely and I don't foresee any problems with them in the future. The strap is great also. I really like the notch that keeps the excess strap in place.
The countdown timer and the alarm both work as expected. The timer has some different settings and is easy to set up. My only disappointment with the timer was that you can't set different intervals. Like if you want to run for five minutes and walk for two your going to have to invest a little more for a watch that allows different intervals. The alarm works well too, and the beeping successfully wakes me up in the morning, but I'm not a heavy sleeper so some may find it too quiet.
Overall this watch is durable, easy to use, and can track splits really well. The watch is a little bulky if you are used to a more minimalist watch but for me the weight was perfect, and for the price you can't go wrong with this watch.
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Reviewed in the United States on June 5, 2013