Josh's Muscle Car Parts

1960s-1970s Mopar and GM Parts Giant!

Give us a Call - 855-416-9569

Orders are shipping today:

 

 

Category List
Featured Items
1970 Plymouth Roadrunner Superbird  Nose Decal
DD0683
1970 Plymouth Roadrunner Superbird Nose Decal
$20.16  $18.00
1966-1967 Mopar Reproduction 426 HEMI Fender Emblem - Authentic OEM-Style Badge
Y1-VC2344
1966-1967 Mopar Reproduction 426 HEMI Fender Emblem - Authentic OEM-Style Badge. Crafted with precision, these emblems feature durable materials and exact detailing for an authentic factory appearance
$49.44  $49.30
1968-1974 Road Runner/GTX/Satellite Antenna Wire/Base Kit - Correct 90 degree exit
SC41816-4
1968 1969 1970 1971 1972 1973 1974 Road Runner/GTX/Satellite Antenna Wire/Base Kit - Correct 90 degree exit
$67.19  $59.99
Chrysler Dodge Plymouth Bumper Jack Base CAUTION Rectangular Decal
DD0276
Chrysler Dodge Plymouth Bumper Jack Base CAUTION Rectangular Decal
$5.26  $4.70
20" Throttle Cable - Fits 1968-1970 Mopar B-Body Big Block Models with 383 & 440 4-BBL Engines
Y1-FD9339
20-inch throttle cable for 1968-1970 Mopar B-Body big-block models with 383 & 440 4-BBL engines, built for durability.
$56.67  $53.92
1970 Plymouth Cuda AAR Rear Duck Tail Spoiler
AAR-7005
1970 Plymouth Cuda AAR Rear Spoiler Duck Tail Style. Kit options available.
$299.03  $266.99
1969-1970 Dodge & 1969 Plymouth B-Body HEMI Hood Scoop Emblem - OEM-Style Reproduction (2898876)
Y1-VC8876
1969-1970 Dodge & 1969 Plymouth B-Body HEMI Hood Scoop Emblem - OEM-Style Reproduction (2898876). Crafted with precision, these emblems feature durable materials and exact detailing for an authentic factory appearance
$59.58  $56.42
1969-1974 Plymouth Road Runner Emblem - Pin-Mounted OEM-Style Badge
Y1-VC207
1969-1974 Plymouth Road Runner Emblem - Pin-Mounted OEM-Style Badge. Crafted with precision, these emblems feature durable materials and exact detailing for an authentic factory appearance
$52.42  $49.99
Category
1970 B-Body Roadrunner GTX Charger 383 426 440 Engine Dual Exhaust System
Item Details
1970 B-Body Roadrunner GTX Charger 383 426 440 Engine Dual Exhaust System
Item Name
1970 B-Body Roadrunner GTX Charger 383 426 440 Engine Dual Exhaust System
Item #
1970-B-Body-ClasE
Price/ea
$849.99  $700.00
Average Rating

Product Image Gallery

1970 MOPAR B-Body Dual Exhaust System – Fits 383, 426 HEMI & 440 Engines  
For Plymouth Road Runner, GTX, Satellite | Dodge Charger, Coronet, Super Bee

Bring your big-block MOPAR back to life with this premium dual exhaust system, built to match original factory specifications for the legendary 1970 B-Body platforms. Whether you're restoring a Plymouth Road Runner, GTX, or a Dodge Charger R/T, this system delivers that unmistakable MOPAR sound and proper fitment—all while staying true to OEM appearance and layout.

Crafted from high-quality aluminized or stainless steel, this exhaust system is the perfect choice for muscle car enthusiasts who want performance, reliability, and period-correct tone.

Standard Kit Includes:
- Left & Right Exhaust Pipes (383 Engines – 2-1/4" Diameter)  
- Left & Right Mufflers (OEM-style factory tone)  
- Left & Right Tail Pipes (2-1/4" Diameter)  
- H-Pipe Included for 426 HEMI & 440 Engines (2-1/2" Diameter)

Note: One-piece H-pipe kits must be picked up—call to place this type of order.  
Stainless steel systems with stock mufflers require 4–6 weeks to fabricate.

Optional Upgrades:
- Turbo Mufflers – Deep, aggressive tone  
- GlassPak Mufflers – Loud and raw muscle sound  
- Tailpipe Turn-Downs or Prepped for Chrome Tips  
- Clamp & Hanger Kit (Universal Mild Steel)

Chrome tips sold separately by a third-party vendor.

Vehicle Fitment:
Dodge  
- 1970 Charger (including R/T)  
- 1970 Coronet (including Coronet R/T)  
- 1970 Super Bee  

Plymouth  
- 1970 Road Runner  
- 1970 GTX  
- 1970 Satellite (with 440 engine trim)

Engine & Manifold Compatibility:
383 & 440 Manifold Casting Numbers  
- Driver Side: 2951865  
- Passenger Side: 2899879

426 HEMI Manifolds – We’ll verify casting numbers.  
Please provide full engine and vehicle details when ordering to ensure accurate fabrication.

Important Notes:
- Designed for use with OEM manifolds only  
- Header applications require modification to the front pipes (system sold as-is)  
- Flanges may or may not be welded depending on application

Materials & Construction:
All systems are compression bent, replicating OEM production methods. Built to local car show quality and general enthusiast standards—not concours or numbers-matching vehicles.

Material Specs:
- Aluminized Steel:  
 - Tubing: 14–16 Gauge | Mufflers: 18 Gauge  
 - Diameters: 1-3/4", 2", 2-1/4", 2-1/2"

- Stainless Steel:  
  - Tubing: 304 Stainless, 14 Gauge  
  - Mufflers: 409 Stainless, 18 Gauge

Returns & Warranty Policy
- No refunds due to rising material and labor costs  
- Complimentary re-bending for incorrect parts (with OEM info provided at checkout)  
- Returns accepted only if the full system is incorrect  
- Must be requested within 14 days, unused, undamaged, and in original packaging  
- 15% restocking fee applies

Why Choose Our Exhaust Systems?
- Tailored for true 1970 B-Body MOPAR muscle  
- Built to factory specs for proper fit and tone  
- Customizable muffler and tailpipe options  
- Fabricated by enthusiasts who understand the details

Give your 1970 Road Runner, Charger, or GTX the exhaust system it deserves—period-correct fitment, unmistakable MOPAR tone, and quality materials designed to last.

Item Options
Material
Muffler Options
Resonator Options
Tail Pipe Design
Universal Mild Steel Heavy Duty Clamp/Hanger Kit
Entry Required
Year, Make, Model, Body Style, Engine Size
Entry Required
Please Specify: Your Manifold Casting Numbers
Item Price
Your Price
$700.00
Quantity
 
This OEM-style dual exhaust system fits 1970 Dodge Charger, Coronet, Super Bee, and Plymouth Road Runner, GTX, and Satellite models with 383, 426 HEMI, or 440 engines. Includes exhaust pipes, mufflers, tailpipes, and H-pipe for 426/440 setups.

Josh's Muscle Car Parts is a company that specializes in providing parts and accessories for classic and vintage cars. The company was founded in 1999 and has since become one of the most respected classic car parts suppliers in the Ohio..

Josh's Muscle Car Parts offers a wide range of products for a variety of classic and vintage vehicles, including Chevrolet, Ford, Dodge, and Plymouth. The company's product line includes everything from body panels and trim pieces to engine parts and accessories. Josh's Muscle Car Parts also offers a number of services, such as restoration consulting and design assistance.

One of the things that sets Josh's Muscle Car Parts apart from other classic car parts suppliers is the company's commitment to quality. Josh's Muscle Car Parts sources its parts from trusted manufacturers, and all of its products are rigorously tested to ensure that they meet the company's high standards. The company also has a team of experienced technicians who are available to answer customer questions and provide technical assistance.

In addition to its products and services, Josh's Muscle Car Parts is known for its customer support. The company has a knowledgeable and helpful customer service team that is available to answer questions and provide assistance. Josh's Muscle Car Parts also has an active online community, where customers can share their experiences and get advice from other classic car enthusiasts.

Overall, Josh's Muscle Car Parts is a well-respected and reliable source for classic and vintage car parts. The company's commitment to quality and customer service has helped it to earn a loyal following among classic car enthusiasts around the world.

The 1960s muscle car era was a time of great innovation and growth in the automotive industry. It was a period of intense competition between car manufacturers, as they sought to outdo one another with increasingly powerful and sophisticated vehicles.

During this time, muscle cars became increasingly popular, particularly among younger car enthusiasts. These cars were known for their large, powerful engines, aggressive styling, and high-performance capabilities. Some of the most iconic muscle cars of the era include the Chevrolet Chevelle SS, the Ford Mustang, and the Plymouth Road Runner.

The muscle car era was marked by a number of technological innovations that helped to push the limits of automotive performance. One of the most significant of these was the development of the V8 engine, which allowed for increased horsepower and torque. Other innovations included the use of lighter materials in car construction, the adoption of fuel injection systems, and the use of advanced transmission technologies.

The muscle car era was also marked by a strong sense of cultural significance. These cars were symbols of American muscle and power, and they were often featured in popular culture, such as movies and music. The muscle car era came to an end in the 1970s, as rising fuel prices and stricter emissions regulations led to a shift towards more fuel-efficient vehicles.

Despite the end of the muscle car era, these vehicles continue to hold a special place in the hearts of car enthusiasts around the world. They are celebrated as symbols of a bygone era of automotive innovation and power, and their legacy lives on in the modern high-performance vehicles of today.

Prop65

This product can expose you to chemicals,which is known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov

Prop65

Menu
Powered by PDshop & Asp.Net
ASP.NET Shopping Cart Software