40 Series Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound
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Flowmaster Inc. 40 Series Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound

Part No. 42441 Warranty Details  

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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.
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Body Height:4 in
Body Material:Aluminized Steel
Body Width:9.75 in
Case Length:13 in
Case Shape:Flowmaster Case
Finish:Gray
Inlet Diameter:2.25 in
Inlet Location:Offset
Outlet Diameter:2.25 in
Outlet Location:Center
Reversible:No
Shape:Flowmaster Case

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by PowerReviews
Flowmaster Inc.40 Series Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound
 
2.5

(based on 2 reviews)

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Reviewed by 2 customers

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(1 of 1 customers found this review helpful)

 
2.0

way too quiet

By 

from indiana

About Me Auto Enthusiast

Pros

  • Adds Style
  • Easy To Install
  • If You Want A Quiet Rumbl

Cons

  • No Increase In Performance

Best Uses

  • Everyday Driving

Comments about Flowmaster Inc. 40 Series Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound:

this is a very quiet muffler, nothing like I had thought. I drive a 03 impala ls and it sounds horrible, in the lower 2-3k rpms it sounds ok but when you gun it you cant even hear it.. very disappointed

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(4 of 13 customers found this review helpful)

 
3.0

Too quiet

By 

from Ga.

About Me Truck Enthusiast

Verified Buyer
Helpful Reviewer

Pros

    Cons

    • No Increase In Performance

    Best Uses

    • Everyday Driving
    • Performance Driving

    Comments about Flowmaster Inc. 40 Series Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound:

    If u prefer a quiet cab and no heads being turned as you pass by. This muffler is for you .. Im try a thrush turbo next ..

    1982 Chevy c10 Chevy 350 mild build ..

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