FITMENT

  • 2001 Lexus IS300 3.0L 2JX-GE DOHC
  • 2002 Lexus IS300 3.0L 2JX-GE DOHC
  • 2003 Lexus IS300 3.0L 2JX-GE DOHC
  • 2004 Lexus IS300 3.0L 2JX-GE DOHC
  • 2005 Lexus IS300 3.0L 2JX-GE DOHC

PACKAGE INCLUDES

  • Exhaust Manifold  x 1
  • Gaskets x 3
  • 1 Pack Screws & Nuts

Can exhaust manifolds be replaced by headers?

Yes, headers can effectively replace traditional exhaust manifolds in an engine's exhaust system, offering several performance advantages. Unlike the single-piece design of exhaust manifolds, headers have separate pipes for each cylinder. This design improves exhaust flow and reduces backpressure, resulting in increased horsepower and torque.

Advantages of Headers:

Improved Exhaust Flow: Each cylinder has its own separate pipe in exhaust headers, allowing for smoother and more efficient exhaust flow. This reduces backpressure on the engine, enhancing overall performance.
Increased Horsepower and Torque: With reduced backpressure, the engine can "breathe" better, leading to increased horsepower and torque output, especially at higher RPMs.
Enhanced Sound: Exhaust headers can alter the exhaust note, typically producing a deeper and more aggressive sound compared to stock exhaust manifolds.
Replacing Exhaust Manifolds:
Upon installation, headers replace traditional exhaust manifolds. Instead of a single-piece manifold, headers have separate pipes for each cylinder, which then merge into a collector that directs the exhaust gases into the rest of the exhaust system.

Brand DynoVox SKU QMP-HW00222
Body Material High Quality Stainless Steel Color Silver
Weight 7.09kg Comply with Factory Testing Standards Yes
Type Exhaust Header Warranty 3 Year
Package Size Length: 33.46in Width: 13.77in Height: 7.49in   
Surface Mirror Polish
Item Condition New

NOTE

While anyone with basic mechanical knowledge can install an Exhaust Header, it is recommended that it be installed by a professional mechanic to ensure proper installation and avoid any potential problems.

DISCLAIMER

1. By installing this product onto your vehicle, you assume all risk and liability associated with its use.2. It is your responsibility to make sure your Vehicle complies with all federal, state, and local emissions laws. Federal and many state and local laws prohibit the removal, modification, or rendering inoperative of any part of the design affecting emissions or safety on motor vehicles used on a public street or highway Violation may result in a fine of up to $ 32,500 per vehicle ( or possibly higher depending on changes in the law ). All civil penalties and fines for removing your vehicle emissions equipment are the sole responsibility of the end user.3. Due to its high-performance nature, this product may void the vehicle manufacturer's warranty.4. DynoVox is not responsible for the misuse of its products By installing this product, you release DynoVox of any liability associated with its use.5. Depending on where you live, restrictions may apply. Check all applicable laws before installing or using.6. The purchaser and end-user release, indemnities, discharges, and holds harmless DynoVox from any claims, damages, causes of action, injuries, or expenses resulting from or relating to the use or installation of this product that is in violation of the terms and conditions on this page, the product disclaimer, and/or the product installation instructions. DynoVox will not be liable for any direct, indirect, consequential, exemplary, punitive, statutory, or incidental damages or fines caused by the use.

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Frequently asked questions
Do exhaust headers increase HP?
Headers can increase horsepower, improve the flow rate of exhaust or improve your car's sound. No matter what you're looking for to enhance your engine system, you can find an exhaust header to suit your needs.
Do headers make your exhaust sound better?
With exhaust headers, your exhaust notes will be smoother, more defined and far more aggressive.
Are stock headers better than aftermarket?
An aftermarket stock header deals with the exhaust gasses in a much more efficient way, which improves the overall performance of your engine. Performance headers are more concerned with increasing performance rather than reducing the noise from the engine.
Will headers increase gas mileage?
To really maximize fuel economy, performance headers are manufactured to a shape and size that improves engine “breathing.
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