Browse Categories
Shopping Cart
Your cart is empty.
Browse by Manufacturer
Mailing Lists

Original 40 Series - 2.5" O/O - 42543

Retail: $97.24
Your Price: $85.86
You Save: $11.38 (12 %)
free shipping

The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster® sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

  • Durable fully welded 16 gauge aluminized steel
  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • Excellent Street/Strip and Off Road application
Product Attributes
Sound Level Aggressive Sound Inlet Connection Type Pipe Connection
Fitment Universal Shape Oval
Overall Length (in) 19 Outlet Position Offset
Outlet Diameter (in) 2.5 Outlet Connection Type Pipe Connection
Muffler Type Reflection Muffler Series 40 Series
Mount Type Uses New Hangers (Not Included) Material Aluminized Steel
Inlet Position Offset Inlet Diameter (in) 2.5
Color Gray Body Width (in) 9.75
Body Length (in) 13 Body Diameter (in) 2.25
Automotive Item Grade High Performance Body Height (in) 4


Item Number: 42543
Manufacturer: Flowmaster
Manufacturer Part No: 42543

Product Reviews

(0 Ratings, 0 Reviews)

Quantity Discounts - Order a quantity in the range below to receive the discount

2 to 6$81.56
7 to 20$77.27