40 Series Original

The muffler that started it all, the original 40 Series Muffler is an aggressive sounding street/strip muffler that delivers a powerful “Flowmaster Sound” you’ve heard so much about it. If you really want to hear your exhaust system and that great muscle car tone – from both inside and out of the vehicle – the 40 Series is for you.

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Flowmaster 40 Series Chambered Muffler

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

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 2.25" IN(C)/OUT(O) - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 2.50 Offset In / 2.50 Center Out - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 2.50" IN(C)/OUT(O) - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 3.00 Offset In / 3.00 Center Out - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 2.50 Dual In / 3.00 Center Out - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 2.50" IN(D)/OUT(D) - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive Sound

$71.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound

$80.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler 409S - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound

$80.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler 409S - 2.50 Offset In / 2.50 Center Out - Aggressive Sound

$80.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound

$80.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler 409S - 3.00 Offset In / 3.00 Center Out - Aggressive Sound

$80.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler 409S - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound

$80.96

Flowmaster 40 Series Chambered Muffler

40 Series Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive Sound

$80.96

Items 1 - 18 of 18

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