Menu
Here at Modern Day, all of our cat back exhaust systems are made of high quality steel and stainless steel and are designed with sound and performance of your vehicle. We work with top companies like Holley, Flowmaster, APR, and Hooker, so that we can combine their high quality products with our affordability and service to give your vehicle the parts it deserves!

tune your search

tune your search

Refine

view all

Categories

Drivetrain

Cab Type

Bed Size

Material Type

Collection

clear
  • Flowmaster Outlaw Extreme Cat-back Exhaust System 817917 - Modern Day Muffler
    Flowmaster Outlaw Extreme Cat-back Exhaust System 817917
    $326.95
    $326.95
    Sold out
  • 2020 Chevrolet Silverado 2500 HD Flowmaster American Thunder Cat Back Exhaust System - Modern Day Muffler
    2020 Chevrolet Silverado 2500 HD Flowmaster American Thunder Cat Back Exhaust System
    $785.95
    $785.95
    Sold out
  • 2017-2020 Nissan Titan Cat-back Exhaust System Flowmaster FlowFX 717910 - Modern Day Muffler
    2017-2020 Nissan Titan Cat-back Exhaust System Flowmaster FlowFX 717910
    $630.95
    $630.95
    Sold out
  • 99-07 Chevrolet Silverado 1500 Cat-back Exhaust System Flowmaster Open Box - Modern Day Muffler
    99-07 Chevrolet Silverado 1500 Cat-back Exhaust System Flowmaster Open Box
    $591.95
    $591.95
    Sold out
  • 1996-1998 Chevrolet Silverado C1500 Cat-back Exhaust System Flowmaster American - Modern Day Muffler
    1996-1998 Chevrolet Silverado C1500 Cat-back Exhaust System Flowmaster American
    $624.95
    $624.95
    Sold out
  • MagnaFlow 15317 System Street Cat-Back Jeep - Modern Day Muffler
    MagnaFlow 15317 System Street Cat-Back Jeep
    $1,688.00
    $1,688.00
    Sold out
  • MagnaFlow 15802 System Street Cat-Back Mazda - Modern Day Muffler
    MagnaFlow 15802 System Street Cat-Back Mazda
    $868.00
    $868.00
    Sold out
  • MagnaFlow 17116 System Off Road Pro Cat-Back Dodge - Modern Day Muffler
    MagnaFlow 17116 System Off Road Pro Cat-Back Dodge
    $520.00
    $520.00
    Sold out
  • MagnaFlow 17143 System Off Road Pro Cat-Back Jeep - Modern Day Muffler
    MagnaFlow 17143 System Off Road Pro Cat-Back Jeep
    $504.00
    $504.00
    Sold out
  • MagnaFlow 15356 System Street Cat-Back GM - Modern Day Muffler
    MagnaFlow 15356 System Street Cat-Back GM
    $1,152.00
    $1,152.00
    Sold out
  • MagnaFlow 15369 System Touring Cat-Back Audi - Modern Day Muffler
    MagnaFlow 15369 System Touring Cat-Back Audi
    $988.00
    $988.00
    Sold out
  • Magnaflow 15361 MF Series Black Cat-Back System - Modern Day Muffler
    Magnaflow 15361 MF Series Black Cat-Back System
    $1,289.00
    $1,289.00
    Sold out
  • MagnaFlow 15362 System Street Cat-Back Black GM - Modern Day Muffler
    MagnaFlow 15362 System Street Cat-Back Black GM
    $1,199.00
    $1,199.00
    Sold out
  • MagnaFlow 15866 System Street Cat-Back Nissan - Modern Day Muffler
    MagnaFlow 15866 System Street Cat-Back Nissan
    $715.00
    $715.00
    Sold out
  • MagnaFlow 19011 System Competition Cat-Back Carbon Fiber Cadillac - Modern Day Muffler
    MagnaFlow 19011 System Competition Cat-Back Carbon Fiber Cadillac
    $2,709.00
    $2,709.00
    Sold out
  • MagnaFlow 15364 System Street Cat-Back Black Ford - Modern Day Muffler
    MagnaFlow 15364 System Street Cat-Back Black Ford
    $1,159.00
    $1,159.00
    Sold out