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Description
Pacemaker | 1 7/8" Tuned Performance Headers | Chrysler 300C 5.7L 6.1L 6.4L Hemi V8 | PH2634 L/R - 300CPacemaker Tuned Performance Headers Chrysler 300C 5. 7L, 6. 1L & 6. 4L Hemi V8 PH2634 L R 300C Maximize the muscle of your Hemi V8 with the Pacemaker PH2634 Tuned Performance Headers, specifically engineered for the Chrysler 300C. Designed to suit the full range of Hemi powerplantsfrom the 5. 7L and 6. 1L to the high output 6. 4Lthese headers utilize a precision tuned length 4 into 1 design to drastically improve exhaust scavenging and engine
Pacemaker Tuned Performance Headers - Chrysler 300C 5.7L, 6.1L & 6.4L Hemi V8 - PH2634 L/R - 300C
Maximize the muscle of your Hemi V8 with the Pacemaker PH2634 Tuned Performance Headers, specifically engineered for the Chrysler 300C. Designed to suit the full range of Hemi powerplants—from the 5.7L and 6.1L to the high-output 6.4L—these headers utilize a precision-tuned length 4-into-1 design to drastically improve exhaust scavenging and engine breathing. Featuring large 1⅞" (48mm) primary pipes and a 3" (76mm) outlet, they provide the flow capacity necessary for significant horsepower and torque gains. Proudly Australian-made, these headers deliver the aggressive exhaust note and high-end performance that Chrysler enthusiasts demand.
Features:
This product offers the following high-performance features:
- Tuned Design: Engineered with optimized pipe lengths to ensure maximum exhaust gas velocity.
- High-Flow Piping: Large 1⅞" (48mm) primary pipes designed for 5.7L, 6.1L, and 6.4L Hemi engines.
- Massive 3" Outlet: Large 3" (76mm) collectors to minimize backpressure and support high-RPM performance.
- Complete Kit: Includes 4x Oxygen Sensor wiring loom extensions (PEX2662) for a simplified installation.
- Premium Fitment: Designed to maintain full clearance for Power Steering and Air Conditioning components.
Product Specifications for PH2634 L/R - 300C
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH2634 | Outlet | 3" (76mm) |
| Primary Pipe | 1⅞" (48mm) | Oxy Sensor | Yes (Includes 4x Extensions) |
| P/Steering | Yes | Air Con | Yes |
| Fitting Time | 5 Hrs | E.G.R | N/A |
Important Notes:
- Catalytic Converters: These headers are designed for performance use and require the installation of Aftermarket High-Flow Cats.
- System Compatibility: For a complete performance solution, these headers can be paired with Pacemaker’s full 3" exhaust systems (Part Numbers: PP2634-52 and PP2634-53).
- Wiring Included: This kit is supplied with the required PEX2662 Oxygen Sensor wiring loom extensions.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| Chrysler | 300C | 2005 | 2012 | Sedan / Wagon | Gen I / Gen II | 5.7L EZB / 6.1L EZF Hemi V8 | Automatic & Manual | RWD |
| Chrysler | 300C / SRT8 | 2012 | 2024 | Sedan | Gen II | 6.4L EZG Hemi V8 | Automatic & Manual | RWD |
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:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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
4.4 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Apple MacBook Air 15-inch (2026): Big Screen, Fast Performance, and Perfect Apple Ecosystem Upgrade
Capacity: 16GB Unified Memory | 512GB SSD Storage, Color: Starlight, Set: Without AppleCare+, Capacity: 16GB Unified Memory | 512GB SSD Storage, Color: Starlight, Set: Without AppleCare+
I just received my 2026 Apple MacBook Air 15-inch, and overall, I’m really impressed. At first, there was a bit of anxiety because the app showed my overnight delivery as being delayed by about a week, but it actually arrived exactly on time, which was a great relief.
The packaging was solid and everything arrived in perfect condition. Setup was quick and easy as expected with Apple products, and I’m officially now fully in the Apple ecosystem—iPhone, iPad, Apple Watch, AirPods, and now MacBook.
The 15-inch screen is definitely a standout. It’s noticeably larger in person compared to the 13-inch, and that extra space makes a big difference for my marketing work, content creation, and anything detail-heavy. It also just feels better for everyday use and personal browsing.
Performance-wise, it’s fast, smooth, and everything runs seamlessly. It integrates perfectly with my other Apple devices, which makes my workflow feel really effortless.
Overall, I’m very happy with it so far and excited to fully customize it and make it my daily driver.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
★★★★★ 5
Apple laptop
Capacity: 16GB Unified Memory | 512GB SSD Storage, Color: Starlight, Set: Without AppleCare+
I’ve been using this MacBook Air for a few weeks now and honestly I’m very impressed with the quality and performance. It’s super lightweight, fast, and the battery lasts all day without any problems. The screen quality is beautiful and everything runs smoothly, even when I have multiple apps open at the same time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
Worth the investment
Capacity: 16GB Unified Memory | 512GB SSD Storage, Color: Sky Blue, Set: Without AppleCare+
I don't usually write reviews, but I recently bought this computer and I'm loving it. I previously had an M2 2023 Macbook Air that I got water in and fried. This essentially does all the same things, but cooler. It also has a bigger screen, which is perfect for me since I do a lot of work on my computer and constantly have a million tabs open. I'm also a student, so there's that. No complaints! The battery life is great and much better than my old computer. The color is a beautiful blue, which I've never seen before and I think is quite unique. I've gotten compliments on it. It also runs much faster and for some reason connects better to my crappy printer! Win all around!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
★★★★★ 5
Impressive MacBook Air
Capacity: 16GB Unified Memory | 512GB SSD Storage, Color: Midnight, Set: Without AppleCare+
Ordered via Prime and the Mac arrived the next day. Setup was easy. The M5 chip flies but my usage is basically routine functions no heavy usage. Everything is speedy. This computer is an upgrade from my 2017 MacBook Pro and a 2020 iMac. Both of those old Macs are still functional. I've been using Macs since the Apple IIC and II GS. Over 35 years ago. The keyboard is one of the best I've used. I loved the 2017 MBP keyboard because if had a great feel. Others since then were not comfortable until this keyboard on the MB Air. Booting up is fast. For me the battery will last for four days before recharging. I really like the Mag Safe charger. Easy on and easy off especially if you happen to forget you're charging and pull the computer away from the connection. Connection just drops off. The touchpad is not as sensitive as others. If I accidentally rest my finger or fingers on the pad it doesn't execute an unwanted command. You have to use a little pressure to execute the task. No problems while typing and having the touchpad sending you off into space somewhere. A great Mac upgrade.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Beautiful, Super Thin, Fast
Capacity: 16GB Unified Memory | 512GB SSD Storage, Color: Silver, Set: Without AppleCare+
It’s beautiful, super thin, very fast, and the screen size reminds me of the large iPad Pro. I have to get used to not touching the screen like you do with an iPad. You must use a mouse or your finger. Also programs work differently than apps. Make sure you are ready for that if you are only used to using an iPad.
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Reviewed in the United States on May 27, 2026
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