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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-42585
80 Series Cross-Flow Muffler 2.5 in. Dual Inlet/Outlet
$28599
Ships on 09/15/2026
Lowest Price Guarantee- 80 Series Cross-Flow Muffler
- 2.5 in. Dual Inlet/Outlet
- Case Dimensions 4 in. x 9.75 in. x 22 in.
- 28 in. Overall Length
- Aluminized Steel
- Over Axle Pipes Attached
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Aggressive And Powerful Exterior Exhaust Tone
- Notable Interior Resonance
- 1983 to 2002 Camaro/Firebird/Buick Grand National
- Cross Flow Applications
- The Original Two Chamber Design
- www.Flowmastermufflers.com
BrandFLOWMASTER
Package Height1.6
Package Width16.0
Package Length32.0
Weight29.0 PG
Part CategoryPerformance Parts
Body Width9.75 in.
Body ShapeOval
Body MaterialAluminized Steel
Inlet/Outlet TypeSlip-Fit / Weld-On
Body Length13.00 in.
Inlet Diameter2.50 in.
Muffler Series80 Series Crossflow
Body Height4.00 in.
Muffler TypeChambered
FinishBlack High-Temperature Paint
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
