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Dynatech Long-Tube Headers & Mid-Pipes: 300 / Challenger / Magnum 5.7L Hemi 2005 - 2008

724-73310 / 724-73320 / 724-73330
05-08 5.7L Hemi LX/LC Dynatech Long-Tube Headers & Mid-Pipes for Chrysler 300C, Dodge Charger & Magnum 5.7L Hemi (Oval Port). Gain up to 35RWHP with a set of Dynatech Long-Tube Headers & Mid Pipes (available with or without High Flow Cats) on your 5.7L Hemi 300, Charger or Magnum. Hands down the BEST Long Tube setup for your Hemi. 1 3/4 Primary Size.
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05-08 Chrysler 300C 5.7L Hemi 2WD
06-08 Dodge Charger 5.7L Hemi 2WD
05-08 Dodge Magnum 5.7L Hemi 2WD

724-73310 Headers
724-73320 Mid-Pipes With High-Flow Catalytic Converters 2.5"
724-73330 Mid-Pipes Without Catalytic Converters 2.5"

Big Power Gains can be made with a set of Dynatech Long-Tube Headers Mid-Pipes for your 5.7L Chrysler 300C, Dodge Challenger, Charger & Magnum. Unlike other Long-Tube Header systems, Dynatech offers the intermediate (mid-pipes) to connect their Long-Tube Headers with ANY 5.7 Hemi Aftermarket (or OEM) Exhaust System. A true bolt-on upgrade that provides big power gains on your 5.7L Hemi.

Power Gains (on completely stock 5.7L Hemi): 30WHP / 30FTLBS-TRQ

More Significant Gains on Modified 5.7L Hemis (i.e. Cold Air Intake, Cat-Back Exhaust, Programmer, Supercharger, etc .)


1 3/4" Primary Tube

Long tube design

3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal

3" 4-Bolt Collector Flange

100% T-304 stainless steel

Computer-designed collectors for maximum air flow

Low-profile four-bolt collectors

Delivers real power gains


True bolt-in no cutting or welding

Utilizes factory O2 sensors (extensions included)

"OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service

Bolts to factory cat-back or any aftermarket cat-back that utilizes factory connections

Header Kit Only will typically require fabrication of mid-pipe and/or cat-back
Complete System will bolt up to BOTH OEM and AFTERMARKET exhaust systems for Full HEADER BACK SYSTEM

Complete System Kit

Includes everything needed for simple bolt-on installation Header Kit Only

Will typically require fabrication of mid-pipe and/or cat-back

Mandrel bent headers with 3/8" flanges and hi-flow collectors

"Flexible" donut-style gasket connectors and reducer cones

Two PowerCAT catalytic converters

Mid-pipe solutions to join with factory-style cat-back

All clamps, bolts (including header bolts), and hardware needed for bolt-in installation

MLS stainless steel header gaskets

O2 extensions to relocate factory O2 sensors

SuperMaxx by Dynatech decals

NOTE: These products are intended for racing and off-road applications. Not legal for sale or use in the state of California, nor in states which have adopted California emission standards.

Availability: ships in 1-3 business days.


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  • 75.0 lbs.
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  • Usually ships within 24-48 hours.

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