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Flowmaster 40 Series Original Mufflers
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The muffler that started it all: Flowmaster's 40 Series. Made of aluminized or stainless steel, these are the most aggressive sounding street/strip mufflers in the Flowmaster lineup. They also create resonance in the vehicle so, if you want "surround sound" from your exhaust, look no further.
For street and strip applications
Loud, aggressive sound with interior resonance
Case: 13" L (4" Thick)
Overall: 19" L x 9.75" W
Aluminized steel or 409S stainless steel (stainless has limited lifetime warranty)
Stainless mufflers are painted dark grey metallic to improve resistance from the elements
MIG welded for maximum durability
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