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1970-1974 MOPAR Challenger/Cuda Dual Exhaust System – 383, 426 HEMI, 440
This factory-style dual exhaust system is designed for 1970-1974 Dodge Challengers and Plymouth 'Cudas with 383, 426 HEMI, or 440 engines. Made from aluminized or stainless steel, it includes front pipes, resonators, over-the-axle pipes, and mufflers—all built to OEM specs for a classic look and sound.
Restore the roar of your classic muscle car with our high-quality dual exhaust system, engineered to fit 1970-1974 Dodge Challenger and Plymouth ‘Cuda models equipped with 383, 426 HEMI, or 440 engines. Whether you’re cruising to a local car show or simply keeping your E-Body true to its factory form, this exhaust system delivers OEM-style performance and tone with the quality and durability your build deserves.
OEM-Style Fabrication – Classic Look, Modern Reliability
This premium stainless steel or aluminized steel system is fabricated to original equipment specifications, replicating the sound, fitment, and visual appeal of the original factory design. All tubing is conventionally bent using a compression method just like the originals—perfect for the enthusiast who wants an authentic restoration with a local car show finish.
Note: Photos are for reference only. Image 1 shows the 1971-1974 340 engine system with floating flanges. Image 2 shows the 1970 340/383 system with welded flanges.
What's Included in the Standard Kit:
- Left & Right Front Pipes (2-1/4” OD | 440 engines: 2-1/2” OD)
- Left & Right Resonators (Inlet/Outlet: 2-1/4” OD)
- Left & Right Over-the-Axle Pipes (2-1/4” OD)
- Left & Right Mufflers (2-1/4” OD)
(426 HEMI applications include a 2-1/2” H-pipe)
Customization Options (Choose at Checkout):
- Resonator(s)
- Resonator Delete Pipes (We include the correct piping)
- Muffler Delete Pipes (We include the correct piping)
- Heavy-Duty Universal Steel Clamp & Hanger Kit
Vehicle Fitment – Built for MOPAR E-Bodies
Dodge Challenger (1970–1974)
- R/T (383, 426 HEMI, 440)
- SE / Rallye (383, 400)
Plymouth Barracuda / ‘Cuda (1970–1974)
- ‘Cuda (383, 426 HEMI, 440)
Important Fitment Notes:
- Manifold Fitment: We verify casting numbers after purchase—please include all known information.
- Running Headers? This system fits ~90% of header setups. However, front pipes will require cutting/modification and should be installed by a professional.
- Chrome Tips Not Included – Sold separately from another vendor.
Quality & Craftsmanship:
- Fabricated to factory-style specs
- Minor imperfections may exist due to standard fabrication process
- Designed for daily drivers and show-quality weekend cruisers (not intended for concours/numbers-matching builds)
- Mufflers: 20-gauge (Aluminized) or 18-gauge (Stainless Steel)
- Tubing: 14-16 gauge, compression-bent
Lead Time: Stainless steel kits with stock mufflers take approx. 4-6 weeks to fabricate.
Returns & Warranty Info
- Eligible Only if Entire System is Incorrect
- Returns must be requested within 14 days of delivery
- 15% restocking fee applies
- Product must be unused and in original condition
Warning: Using headers, oversized pipes, or incorrect vehicle info voids warranty. Any required corrections will be the customer’s responsibility.
Why Choose Our Exhaust System?
- Classic factory-style sound and fitment
- Durable materials built for longevity
- Custom options for the perfect setup
- Designed and built by passionate MOPAR experts
Bring your Challenger or ‘Cuda back to life with a system that blends factory originality with modern reliability. Whether you’re restoring or upgrading, this dual exhaust kit ensures your MOPAR muscle sounds and performs the way it was meant to.
Shipping
We utilize UPS, Fedex, and USPS for all of our shipping needs. Carrier choice is based upon availability and needs of the customer and is the sole discretion of PFYC. We always try to ship within 24 hours of order placement (do to the custom nature of some products, shipping within 24 hours is impossible, actual shipping time frames will be listed in the product description). Please keep in mind that some products such as Custom Fit Car Covers, Lloyds Floor Mats, Painted accessories, and Racemesh Products can take 3 -10 days to ship and are charged at time of order placement. Racemesh products take 4 weeks to ship as they are made to order.
Sometimes a product needs to be returned. Our goal is to make this process as painless as possible. If you receive a product that is incorrect, damaged or inferior, please contact us immediately so we can begin the returns process and make sure you receive what you ordered quickly. For all returns, you must receive a Return Merchandise Authorization (RMA) number.
When you send back an item you no longer want, you have two choices for getting credit, assuming you properly followed all guidelines for returns:
You've Changed Your Mind
If you have ordered and received an item from PFYC.com that you no longer want, please follow the directions in the Returning Items section below. Please note that you are responsible for return shipping, and we will not reimburse you for the original shipping cost.
Incorrect or Damaged Product
If you have received damaged merchandise or have received items that you did not order, please contact us by replying to your e-mail receipt, making sure to copy the contents of the receipt in your e-mail. Simply let us know the error or that the product was damaged, and we'll take care of it at no cost to you, including all shipping charges (up to the original amount you paid for shipping). We will wait to receive and inspect the originally-shipped product prior to shipping a replacement. If a product was damaged during shipping, you must retain all materials until the shipper (UPS, FEDEX, etc.) has had a chance to inspect the package, if they choose. Our policy is to replace damaged or incorrect products. If you choose not to accept a replacement, it is considered a regular return and subject to our return policy guidelines listed above.
Replacement Product
If we sent you something in error, and we send the correct item out but do not get the wrong one back within 10 business days, we will charge your credit card for the full amount of the replacement item or the incorrect item plus shipping, whichever is greater.
Warranty Replacement
If you feel a product you have purchased is defective or has failed under warranty, contact us. We will help determine the likelihood it is defective prior to your returning the product for inspection. This will save you time and money if there happens to be another reason for the problem you are having with the product. Once a product has been determined it may be defective and requires further inspection, we will instruct you as to your next course of action. This next step may vary depending on the guidelines set forth by the manufacturer. Shipping costs for returning parts for inspection and returning the part to you are usually your responsibility depending on the manufacturer and what their warranty policy is. More information can be found in our Customer Service section under the Product Warranties section.
Follow the steps below to return items that you no longer want:
If you have any questions about our return policy, please contact us.