CJ CLASSICS EXK3ESM Dual Exhaust Kit Muffler Engine 390/428 Exc.

( Brand: Cj Classics ), ( Type: Dual Exhaust Kits ), ( Manufacturer Part Number: EXK3ESM )

Review CJ CLASSICS Dual Exhaust Kit Inch Max Mufflers 390/428 Engine Exc. fits STREET MUSTANG 390 428

Introducing the CJ Classics EXK3ESM Dual Exhaust Kit, specifically designed for Mustang vehicles equipped with the 390/428 engine. This exhaust system upgrade is a game-changer for enthusiasts seeking improved performance and a more captivating exhaust note.

The CJ Classics EXK3ESM kit is engineered with precision and crafted from high-quality 304 stainless steel, ensuring durability and resistance to corrosion. The dual exhaust design not only enhances the visual appeal of your Mustang but also optimizes exhaust flow for increased horsepower and torque.

Each component in this exhaust kit is meticulously engineered to fit perfectly with your Mustang's 390/428 engine. The kit includes two high-performance street mufflers that provide an ideal balance between power and sound. These mufflers utilize a unique design to reduce backpressure and maximize exhaust velocity for enhanced engine response.

Installing the CJ Classics EXK3ESM Dual Exhaust Kit is a straightforward process. It comes with all necessary hardware, including high-quality stainless steel bolts and clamps, to ensure a secure and reliable installation. Additionally, the kit includes detailed instructions to guide you through the process step-by-step.

The exhaust system's polished stainless steel finish not only looks great but also resists discoloration and fading, ensuring your Mustang maintains its showroom appearance. Furthermore, the kit's street mufflers deliver an exhilarating exhaust note that is both aggressive and refined, perfect for daily driving or weekend cruises.

Upgrade your Mustang's performance and enhance its aesthetic appeal with the CJ Classics EXK3ESM Dual Exhaust Kit. Experience the power and sound that sets your Mustang apart from the rest.

Pros and Cons of Installing a CJ Classics EXK3ESM Dual Exhaust Kit with Street Mufflers for Mustang 390/428 Engine

1. Improved Performance: The CJ Classics EXK3ESM dual exhaust kit is designed to enhance the performance of your Mustang 390/428 engine. By providing a freer exhaust flow, the engine can breathe better, which results in improved horsepower and torque.

Pro: Enhanced engine performance

2. Better Sound: The street mufflers included in the kit provide a more aggressive and pleasing exhaust note compared to the stock exhaust. This can be a desirable feature for Mustang enthusiasts looking to add some character to their vehicle.

Pro: Enhanced exhaust sound

3. Improved Fuel Economy: Although not a significant improvement, some users have reported a slight increase in fuel economy after installing the CJ Classics EXK3ESM dual exhaust kit. This is due to the more efficient exhaust flow which results in less fuel being needed to generate the same amount of power.

Pro: Potential fuel economy improvement

4. Enhanced Visual Appeal: The dual exhaust system with polished tips can significantly enhance the visual appeal of your Mustang. This can be an important consideration for those looking to customize the appearance of their vehicle.

Pro: Enhanced visual appeal

5. Relatively Easy Installation: The CJ Classics EXK3ESM dual exhaust kit comes with detailed instructions and all necessary hardware for installation. The installation process is generally considered to be straightforward and can be completed in a day by an experienced DIYer or a professional mechanic.

Pro: Relatively easy installation

6. Potential for Increased Emissions: The street mufflers in the kit may result in an increase in exhaust emissions. This can be a concern for those living in areas with strict emissions regulations or those looking to minimize their carbon footprint.

Con: Potential increase in exhaust emissions

7. Cost: The CJ Classics EXK3ESM dual exhaust kit with street mufflers is not an inexpensive modification for a Mustang. The cost of the kit, along with the cost of installation, can add up quickly.

Con: High cost

The CJ Classics EXK3ESM dual exhaust kit with street mufflers for Mustang 390/428 engine offers several benefits, including improved performance, better sound, potential fuel economy improvement, enhanced visual appeal, and relatively easy installation. However, it also comes with some downsides, such as potential increased exhaust emissions and high cost. Ultimately, the decision to install the kit depends on your individual priorities and preferences as a Mustang owner.

If you're looking to enhance the performance, sound, and visual appeal of your Mustang 390/428 engine, and are willing to invest in the cost of the kit and installation, then the CJ Classics EXK3ESM dual exhaust kit with street mufflers is a worthwhile modification. However, if you are concerned about exhaust emissions or the cost of the modification, then you may want to consider other options or modifications that better align with your priorities and budget.

part # exk3esm prices

• $57.00-$604.81

specifications frazzlekits:

• for models: 390, 428, Street, Mustang
• brand: Cj Classics
• type: Dual Exhaust Kits
• manufacturer part number: EXK3ESM

offer frazzlekits:

• started: December 15, 2025
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

returns frazzlekits:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

seller frazzlekits:

• rating: 99.6%
• # reviews: 91033

shipping frazzlekits:

• cost: $0.00
• transit: 2-5 Days
• class: Standard
• type: Fixed
• service: Standard

general frazzlekits:

• Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
• condition: New

payments frazzlekits:

• other
• wallet: Google-pay
• credit card: Visa

Cj Classics EXK3ESM Is Similar To:

• Cj Classics Exk7ksm Dual Exhaust Kit 2-1/4 Inch With Street Max Mufflers For Mustang Long Tube Heade (82.2% similar) $249.19–$761.99. (May 2nd, 2025)
• Cj Classics Exk2dsm Dual Exhaust Kit 2 Inch With Black Tri-y Headers/ Street Max Mufflers Mustang 289 (75.9% similar) $25.99–$647.99. (July 28th, 2025)
• Cj Classics Exk3csm Dual Exhaust Kit 2.25 Inch With Street Max Mufflers 351c 4v Mustang 1970 (81.4% similar) $399.99–$403.99. (August 29th, 2025)
• Borla 14572 For 81-86 Jeep Cj-7 4.2l At/mt 4wd Cat-back 2in Single Round Angle Cut (15.2% similar) $549.99–$553.97. (September 21st, 2025)
• Cj Classics Exk7ksf Dual Exhaust Kit 2.25 Inch With Street Flow Mufflers/ Fits Long Tube Headers Must (70% similar) $272.99–$390.99. (October 28th, 2025)
• Cj Classics Exk7sf Dual Exhaust Kit 2.25 Inch With Street Flow Mufflers/ Without H-pipe Mustang 1965 (73.3% similar) $125.00. (October 29th, 2025)
• Cj Classics Exk3bsm Dual Exhaust Kit 2-1/4 Inch With Street Max Mufflers 351w Ford Mustang 1969-1970 (81.2% similar) $435.99. (October 30th, 2025)
• Cj Classics Exk3jsf Dual Exhaust Kit 2-1/4 Inch With Street Flow Mufflers For Mustang 351c 2v Engine 19 (83.9% similar) $387.99. (October 30th, 2025)
• Cj Classics Exk3bsf Dual Exhaust Kit 2-1/4 Inch With Street Flow Mufflers For Mustang 351w Engine 1969- (82.9% similar) $412.99. (October 30th, 2025)
• Cj Classics Exk11sm Dual Exhaust Kit 2 Inch With Street Max Mufflers/ Fits Tri-y Headers Only Mustang (75.9% similar) $604.81–$761.99. (December 12th, 2025)
• Cj Classics Exk3psm Dual Exhaust System 2 Inch With Street Max Mufflers Without H-pipe Mustang 1965-1970 (75.7% similar) $450.00–$3000.00. (December 12th, 2025)