New Arrivals/Restock

Flowmaster 40 Series - 2.50" IN(D)/OUT(D) - Aggressive Sound 425404

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Until the end
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20
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$55.54 cheaper than the new price!!

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New  $100.99
quantity

Product details

Management number 204463652 Release Date 2025/10/22 List Price $45.45 Model Number 204463652
Category
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.


Specifications:

614 4.00
615 13.00
621 Aluminized Steel
616 9.50
California Proposition 65 No
1882 No
17 Black
1161 0
Exhaust Tip Quantity Sold Separately
Finish High-Temperature Paint
3390 Performance
617 No
618 No
601 2.50
Inlet Location Dual
1171 2.63
620 2
596 Weld-On
596 Clamp-On
1174 Chambered
622 2.50
Outlet Location Dual
1172 2.63
623 2
598 Dual
8971 19.00
624 No
33 Oval
Sound Level Aggressive
626 No
3145 Universal
Brand Flowmaster
Category Exhaust
Emission Code 5
Fitment Universal
Inlet Diameter 2.50
Muffler Series Original 40 Series
Product Type Street Mufflers
Vehicle Type Classic Muscle Car
Vehicle Type Street/Strip
Vehicle Type Truck/SUV
Vehicle Type Late Model Muscle Car
Vehicle Type Street Rod
9957 Slip-Fit
9958 Slip-Fit
part type Exhaust Muffler
Sub Category Mufflers
Description_INV 2.50 IN(D)/OUT(D) 40 SERIES
Description_ASC Universal Muffler - Some adaptation may be required.
Description_DES Flowmaster 40 Series Chambered Muffler
Description_EXT 40 Series - 2.50" IN(D)/OUT(D) - Aggressive Sound
Description_MKT 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.
Description_FAB No internal packing to blowout
Description_FAB Excellent Street/Strip and Off Road application
Description_FAB Aggressive Sound Exterior Exhaust Tone
Description_FAB Durable fully welded 16 gauge aluminized steel

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