• (406) 234-4643

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Brand

  • Dynomax
  • Flowtech

Body Height

  • 3.500 in.
  • 4.250 in.

Body Length

  • 18.000 in.
  • 29.000 in.
  • 3.000 in.
  • 34.500 in.

Body Width

  • 3.40625 in.
  • 3.500 in.

Inlet Type

  • Angled Single Center
  • Single Center

Outlet Type

  • Single Center
  • Turnout

Shape

  • Oval
  • Round

Exhaust Header Muffler

Flowtech 

Purple Hornies Header Muffler

3 Parts

Purple Hornies Header Muffler
  • Rich/Powerful Sound
  • Distinctive Purple Finish
  • Spiral Louver Design Core
  • Decreases Backpressure
  • Boosts Horsepower
  • 3.5 Diameter 16-Gauge Case

See All

Dynomax 

Thrush® Header Glasspack Header Muffler

2 Parts

Thrush® Header Glasspack Header Muffler
  • Heavy Gauge Shell Provides Maximum Durability
  • Expandable Bushings For Custom Applications
  • Perforated Center Tube Minimizes Turbulence
  • CRF For Powerful Tone and Long Life
  • Straight-Through Design For Max. Flow and Power

See All

 
Custom Auto & Accessories

820 S. Haynes Ave
Miles City, MT 59301

(406) 234-4643
parts@customautomc.com

Information

About Us

Contact Us

Hours

Mon: 8am - 5:30pm

Tue: 8am - 5:30pm

Wed: 8am - 5:30pm

Thu: 8am - 5:30pm

Fri: 8am - 5:30pm

Sat: 8am - 4pm

Sun: Closed

Shopping

Exterior Accessories

Interior Accessories

Performance & Engine

Specialty Merchandise

Suspension & Steering

Tire & Wheel

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