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Description
Pacemaker Tri-Y Performance Headers for Holden VT Series 1 5.0L V8 1997–1999 - PP5050-03Pacemaker Performance Tri Y Headers for Holden VT Series 1 (5. 0L V8) PP5050 03 Unlock major low to mid range torque gains and give your iron block small block a deep muscle rumble with the Pacemaker Sport Systems premium Tri Y performance headers. Specifically engineered to extract maximum efficiency from the classic Holden 5. 0L (304ci) V8 engine, this high flow collector setup is precision molded to fit perfectly within the engine bay clearance
Pacemaker Performance Tri-Y Headers for Holden VT Series 1 (5.0L V8) - PP5050-03
Unlock major low-to-mid range torque gains and give your iron-block small block a deep muscle rumble with the Pacemaker Sport Systems premium Tri-Y performance headers. Specifically engineered to extract maximum efficiency from the classic Holden 5.0L (304ci) V8 engine, this high-flow collector setup is precision-molded to fit perfectly within the engine bay clearance paths, steering rack lines, and independent front chassis layouts of early VT Commodore configurations. By splitting the exhaust pulses into paired secondary pipes (Tri-Y layout), these headers optimize exhaust gas velocity and scavenging performance to completely remove power-robbing backpressure right out of the cylinder head. As Australia’s premium exhaust innovator, Pacemaker manufactures these headers from heavy-duty steel to deliver exceptional durability and temperature control under high thermal stress, providing an aggressive performance bark on throttle and making it a massive upgrade over restrictive factory cast manifolds. Note: Fits Holden VT Series 1 models (1997–1999) equipped with the 5.0L Holden V8 engine configuration; does not fit Series 2 Gen III LS1 builds.
Features:
Precision-manufactured in Australia to deliver premium cylinder scavenging, high-stress durability under intense heat, and a classic muscle car exhaust note.
- Tri-Y Design Architecture: Advanced multi-secondary pipe layout engineered explicitly to boost low-to-mid range torque retention and accelerate overall exhaust gas clearance.
- Heavy-Duty Base Flanges: Precision-machined, thick mounting plates ensure a perfect face seal against the cylinder head to completely prevent exhaust gas leaks.
- Mandrel Bent Tubing: Rigid plumbing structure guarantees a smooth, uniform internal pipe diameter through all primary bends to optimize gas velocity.
- Engine Bay Clearance: Custom engineered to clear the steering rack, starter motor, and crossmember paths of the VT engine bay configuration without modification.
- Australian Made Quality: Proudly designed and manufactured in Australia to withstand high thermal loads and extreme driving demands.
| Product Specifications for PP5050-03 | |||
|---|---|---|---|
| Brand | Pacemaker Sport Systems | Part # / SKU | PP5050-03 |
| Product Type | Performance Exhaust Headers / Extractors | Header Configuration | 8-Cylinder Tri-Y (Try-Y) Layout |
| Engine Compatibility | 5.0L V8 Holden Iron-Block (304ci) | Piping Structure | Mandrel-Bent Performance Tubing |
Important Fitment Notes:
- Specifically engineered to fit Holden VT Series 1 platforms powered by the original Australian 5.0L V8 iron-block engine configuration (1997–1999).
- Series Specific Engine Fitment: This product only fits the early Series 1 production run featuring the traditional Holden V8. It will not fit VT Series 2 or subsequent platforms equipped with the 5.7L Chevrolet Gen III LS1 aluminum V8 block.
- Product scope: Set includes performance Tri-Y driver and passenger side extractors only (intermediate piping and catalytic converters are sold separately).
- Designed to drop directly into standard engine bay alignments, re-using factory engine bay clearance tolerances.
- Professional automotive performance technician installation is highly recommended to guarantee ideal steering clearance and a strict, leak-free cylinder head seal.
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Commodore / Calais | 1997 | 1999 | Sedan, Wagon & Ute Layouts | VT Series 1 Only | 5.0L V8 (Holden 304) | Executive / SS / Berlina V8 | RWD |
Warranty Information
| Product | Warranty Period |
|---|---|
| Pacemaker Sports Exhaust Headers | Five (5) years. |
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4.2 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 4
Very Cute & Fast Read
Format: Hardcover
This was very cute and I read it in almost one sitting. It isn’t a new favorite, but I would read it again and plan on reading Emma Lord’s next book.
Pepper and Jack were both great characters. They were well-developed and likable, but flawed. And I definitely connected with Pepper. This took me back to the stress of high school. They both had complexity and felt like real teenagers.
Honestly, before I read this, I was very unsure of the reality of two teens running a company Twitter accounts. But Ms. Lord did a good job making me believe how this happened. And I think it is important to remember there are real human beings behind the handle.
Beyond the tweets, there were a lot of textual conversations. That is one of my favorite things to read in a book. And these were incredibly adorable. They made me smile and were some of my favorite parts to read.
The romance was cute and well-developed. I liked that Pepper and Jack really were becoming friends before becoming a couple. And I thought the conflicts/issues would go a certain way, but they didn’t. I liked being kept on my toes. It also felt organic and like a healthy relationship.
There were other relationships, too. Some were more developed than others, but I appreciate the layers. The changing relationship between Pepper and Pooja was beautiful. We stan solid female friendships in this house.
Speaking of little things: the LGBT+ rep. I loved it! Yes, it’s side characters, but that’s fine. I loved how much of a non-issue it was. Yes, there are still bigots in the world, but I’m team be the change you wish to see in the world. So, I like a book where characters are just living their lives and no one (adult or teen) cares. That’s the world I want to live in.
Ok, this review has gone on longer than I expected. Tweet Cute was such a fun and (fairly) light read. Ms. Lord addressed some serious issues teens face, but it never felt too dramatic. My already anxious mind really appreciated that tone choice. And I’m definitely excited to read another Emma Lord book.
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Reviewed in the United States on February 20, 2021
★★★★★ 5
Review - Tweet Cute
Format: Hardcover, Format: Hardcover
**Disclaimer: I was given a free e-ARC of the below in exchange for an honest review from NetGalley**
Title Tweet Cute
Author Emma Lord
Release Date January 21, 2020
Description from Amazon
Meet Pepper, swim team captain, chronic overachiever, and all-around perfectionist. Her family may be falling apart, but their massive fast-food chain is booming ― mainly thanks to Pepper, who is barely managing to juggle real life while secretly running Big League Burger’s massive Twitter account.
Enter Jack, class clown and constant thorn in Pepper’s side. When he isn’t trying to duck out of his obscenely popular twin’s shadow, he’s busy working in his family’s deli. His relationship with the business that holds his future might be love/hate, but when Big League Burger steals his grandma’s iconic grilled cheese recipe, he’ll do whatever it takes to take them down, one tweet at a time.
All’s fair in love and cheese ― that is, until Pepper and Jack’s spat turns into a viral Twitter war. Little do they know, while they’re publicly duking it out with snarky memes and retweet battles, they’re also falling for each other in real life ― on an anonymous chat app Jack built.
As their relationship deepens and their online shenanigans escalate ― people on the internet are shipping them?? ― their battle gets more and more personal, until even these two rivals can’t ignore they were destined for the most unexpected, awkward, all-the-feels romance that neither of them expected.
Initial Thoughts
Ok, can I just take a minute to talk about the fact that I’m reviewing a book that’s coming out in 2020?!? Seriously, where did the year go? It feels like just yesterday I didn’t even know what an ARC was, and now, I’m reviewing books for 2020! Anyway, I was chosen for a Blog Tour of this book in January but I couldn’t resist reading it early and writing this review.
Some Things I Liked
Gossip Girl vibes. I. Love. Gossip Girl. This book had all the best parts of that story without any of the needless bitchy-ness. I loved that. And, it was self-referencing (in a way). The story cited its parallels to the hit show and I just loved that.
Additionally, I loved all of the references to various bits of pop culture.
Alternating POV. This was perfectly done. Since our main characters are both harboring secrets that the other doesn’t know, the POVs made this story so much more fun to follow.
Grilled Cheese. Buddy the Elf’s food groups are candy, candy canes, candy corns, and syrup. Mine are grilled cheese, mac and cheese, donuts, and peanut butter cups. This whole story revolved around one of the most epic foods in existence.
I also really enjoyed the multi-generational element in both of these rivaling restaurants.
Favorite Quote
“Full-time vice principal and part-time thief of joy.”
“Thief of joy” is one of my favorite things that Michael calls Dwight on The Office. When I saw it used here, I literally laughed out loud.
Final Thoughts
This book was adorable. I loved every page. I applied for it kind of on a whim since I really don’t read many contemporary novels but this really caught my eye. I’m so excited to be participating in the blog tour in a few months.
In the meantime, ADD THIS TO YOUR TBR, like ASAP (or as Michael Scott would say, ASA P as possible 😉).
⭐⭐⭐⭐⭐
Recommendations for Further Reading
Flawed by Becky Bird – if you like cute, contemporary romance stories, definitely give this new release by Becky Bird a try.
Cupid’s Match by Lauren Palphreyman – this book isn’t out yet but if you enjoyed the setting and characters in Tweet Cute, definitely give this new release a try.
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Reviewed in the United States on January 26, 2020
★★★★★ 3
cute enough but not a reread
Format: Kindle
there's a ton of descriptive text, not enough character dialog for me. the story was okay, but the bulk of the plot development happened in like the last 3 chapters. the first 60% of the book was just boring in a way. the story kept focusing on the wrong feud in my opinion and it wasn't entertaining. just my opinion. i could've lived without this read
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Reviewed in the United States on September 9, 2020
★★★★★ 4
Maybe…
Format: Paperback
⭐️=3.5 (rounded to 4)
🌶️=0
Age rating=13+
Ok so ngl I don’t get the hype for this book, it feels laggy and forced at times, and the idea is great (twitter war, stolen grilled cheese recipes, etc) but I believe the outcome didn’t quite reach the mark as I was hoping. Overall I wasn’t in love but still happy I read it, if your looking for smth similar I highly recommend authors Sarah Desson, Clara Neilson, and Alex Light.
—MaryLRogers😘
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Cute, fun, witty story!
Format: Hardcover
4.5 stars from me because this is the cutest, wittiest, most fun story I’ve read in awhile. Debut author and former Bustle employee, Emma Lord, knows the Twitterverse and modern landscape in which she writes and it shines brightly. On top of being deeply invested in this story, I think I have an extra appreciation for this because I work in social media, and love all the talk of brands, campaigns, PR moves on social, etc. Which brings us to our characters...
Jack and Pepper are classmates whose families own popular, competing restaurants in NYC. One day, a Twitter feud breaks out between the twos business leaving Jack & Pepper unknowingly dueling it out in a battle of wits and memes from their respective brand pages. What happens when they find out who is on the other side of the tweet war? And what about all of those feelings they’ve developed for each other IRL? Tweet Cute masterfully tells the story of growing up in the modern world and finding yourself, and your people along the way.
While this is labeled “romance” and certainly is at times, I would say that the romance aspect is a slow burn and actually isn’t what made me love this novel. I loved it for it’s sweet, sweet storyline that tied in everything millennials & gen Zers deal with on a daily basis (social media, viral posts, etc.) with its witty quips, fun characters and so much more. Jack, Pepper, and all of their respective family members and friends are characters I can totally see living in a TV series someday, that’s how much fun they are.
If you’re looking for a breezy, lighthearted, adorable story to lose yourself in this year, add Tweet Cute to your TBR, now!
I want to thank NetGalley, Emma Lord and Wednesday Books for giving me an ARC of this book in exchange for an honest review.
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Reviewed in the United States on January 22, 2020