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Flowmaster

Flowmaster 80 Series Chambered Muffler

Part # 42583
1 Review

80 Series Crossflow - 2.50" IN (O) / OUT (D) - Aggressive Sound

Flowmaster 80 Series Chambered Muffler

In Stock
Free Shipping - Lower 48 US States
Advertised Price $180.95
$162.85
Save $18.10
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

See Emissions Details
The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. The inlet is located next to one of the outlets on the same side of the case. Delivering an aggressive muscle car sound both inside and outside the vehicle. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Features:

  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • Cross Flow Applications
  • The original two chamber design

About Flowmaster

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Body Height4.00 IN
Body Length15.00 IN
Body MaterialAluminized Steel
Body Width9.75 IN
Brand Flowmaster
California Proposition 65No
CategoryExhaust
Clamps IncludedNo
ColorBlack
Emission Code5
Exhaust Tip Quantity0
FinishHigh-Temperature Paint
Grade TypePerformance
Hanger IncludedNo
Heat Shield AttachedNo
Inlet ConnectionSlip-Fit
Inlet Diameter2.50 IN
Inlet Inside Diameter2.50 IN
Inlet LocationOffset
Inlet Outside Diameter2.63 IN
Inlet Quantity1
Inlet TypeClamp-On
Weld-On
Mount TypeUses New Hangers (Not Included)
Muffler Series80 Series Crossflow
Muffler TypeChambered (Transverse)
Outlet ConnectionSlip-Fit
Outlet Inside Diameter2.50 IN
Outlet LocationDual
Outlet Outside Diameter2.63 IN
Outlet Quantity2
Outlet TypeDual
Overall Length21.00 IN
Part TypeExhaust Muffler
Product TypeStreet Mufflers
ReversibleNo
ShapeOval
Sound LevelAggressive
Sub CategoryMufflers
TunableNo
Universal Or Specific FitUniversal
Vehicle TypeClassic Muscle Car
Late Model Muscle Car
Street/Strip
UPC700042010363
Part Number42583
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions - Flowmaster Warranty 26 Update.pdf
Instructions - street_applications.pdf
Universal Muffler - Some adaptation may be required.
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*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.

Flowmaster 80 Series Chambered Muffler
Flowmaster 80 Series Chambered Muffler
Advertised Price $180.95
$162.85
Save $18.10