Unleash more torque and horsepower from your Dodge or Chrysler 5.7L with this Twisted Steel series header. Made with 16-gauge 1-3/4" mandrel bent 304 stainless steel tubing and use 4 to 1 mitered merge collectors to eliminate flow-block turbulence. The result is unrestricted exhaust flow for overall performance gains of up to +9 HP and +10 lbs. x ft. torque on our in-house dyno. 100% hand MIG welded for quality, strength and durability, this system also features ball flange connection, retains factory 02 sensor locations and includes metal gaskets and hardware for hassle-free install. Performance Gains: In house dyno testing produced gains of up to +9 horsepower and +10 lbs. x ft. torque. Optimized Tube Lengths: Head tube lengths are optimized for true pulse control technology which improves flow and performance. Mitered Collectors: 4-to-1 mitered merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. Stainless Steel Construction: Mandrel bent 1-3/4" 16-gauge 304 stainless steel tubing increase exhaust velocity for noticeable torque and horsepower gains. Heavy Duty Flanges: 3/8" Thick, 1-piece flanges prevent warpage to ensure a leak-free seal over the life of the vehicle. MIG-Welded: 100% MIG-Welded by certified craftsmen provides the strongest welds reducing stress cracks for race proven strength and durability. Factory Mounting Locations: These headers retain your stock catalytic converters and factory 02 sensor locations for a direct bolt-on installation which requires no cutting or modifying. Hassle-Free Installation: Factory style metal header gaskets and all necessary hardware are included for a hassle-free installation.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2005-2020 |
Chrysler |
300 |
C |
| 2012-2014 |
Chrysler |
300 |
C Luxury |
| 2015-2017 |
Chrysler |
300 |
C Platinum |
| 2018 |
Chrysler |
300 |
Limited |
| 2010,2012-2023 |
Chrysler |
300 |
S |
| 2009-2023 |
Dodge |
Challenger |
R/T |
| 2012 |
Dodge |
Challenger |
R/T Classic |
| 2015-2016 |
Dodge |
Challenger |
R/T Plus |
| 2016 |
Dodge |
Challenger |
R/T Plus Shaker |
| 2016 |
Dodge |
Challenger |
R/T Shaker |
| 2017-2018 |
Dodge |
Challenger |
T/A |
| 2017-2018 |
Dodge |
Charger |
Daytona |
| 2007-2023 |
Dodge |
Charger |
Pursuit |
| 2007-2023 |
Dodge |
Charger |
R/T |
| 2015-2016 |
Dodge |
Charger |
R/T Road & Track |
| 2008-2013 |
Dodge |
Charger |
SE |
| 2005-2008 |
Dodge |
Magnum |
R/T |
REFUND POLICY
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
Returns accepted for 14 days
Customer provides return shipping
20% restocking fee
No returns on final sale items
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at support@mo-moto.com. Please note that returns will need to be sent to the following address:
Mo-Moto/Returns
6082 W Seltice Way STE 121
Post Falls, ID 83854
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at support@mo-moto.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at support@mo-moto.com.