Skip to product information
1 of 7

Flowmaster

Flowmaster 430402 40 Series Chambered Muffler

Flowmaster 430402 40 Series Chambered Muffler

Regular price $101.95 USD
Regular price Sale price $101.95 USD
Sale Sold out
Shipping calculated at checkout.

10 in stock

Quantity
Description & Features

Flowmaster 430402 40 Series Chambered Muffler

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.

  • Durable fully welded 16 gauge aluminized steel
  • Noticeable interior resonance
  • Excellent street/strip and off road application
  • Aggressive Sound Exterior Exhaust Tone
Specifications
Body Height 4.00
Body Length 13.00
Body Material Aluminized Steel
Body Width 9.50
Brand Flowmaster
California Proposition 65 No
Category Exhaust
Clamps Included No
Color Black
Emission Code 5
Exhaust Tip Quantity Sold Separately
Finish High-Temperature Paint
Grade Type Performance
Hanger Included No
Heat Shield Attached No
Inlet Connection Slip-Fit
Inlet Diameter 3.00
Inlet Inside Diameter 3.00
Inlet Location Center
Inlet Outside Diameter 3.13
Inlet Quantity 1
Inlet Type Clamp-On
Mount Type Uses New Hangers (Not Included)
Muffler Series Original 40 Series
Muffler Type Chambered
Outlet Connection Slip-Fit
Outlet Inside Diameter 2.50
Outlet Location Dual
Outlet Outside Diameter 2.63
Outlet Quantity 2
Outlet Type Dual
Overall Length 19.00
part type Exhaust Muffler
Product Type Street Mufflers
Reversible No
Shape Oval
Sound Level Aggressive
Sub Category Mufflers
Tunable No
Universal Or Specific Fit Universal
Vehicle Type Street Rod
Packaging Information

Weight: 9 lbs
Dimensions: 20.4 x 10.1 x 4.5 IN

Warranty

View Warranty (PDF)

Installation Instructions

View Installation Instructions (PDF)

⚠ Fitment Notes
  • 3.00 Inlet 2.50 Outlet
  • Universal Muffler - Some adaptation may be required.

Vehicle Fitment

  • 1987 Chevrolet Blazer Custom Deluxe
  • 1987 Chevrolet Blazer Silverado
  • 1988-1993 Chevrolet C1500 Cheyenne
  • 1988-1990 Chevrolet C1500 Scottsdale
  • 1988-1993 Chevrolet C1500 Silverado
  • 1990-1993 Chevrolet C1500 WT
  • 1988-1993 Chevrolet C2500 Cheyenne
  • 1988-1990 Chevrolet C2500 Scottsdale
  • 1988-1993 Chevrolet C2500 Silverado
  • 1988-1993 Chevrolet K1500 Cheyenne
  • 1988-1990 Chevrolet K1500 Scottsdale
  • 1988-1993 Chevrolet K1500 Silverado
  • 1991 Chevrolet K1500 Sport
  • 1990-1993 Chevrolet K1500 WT
  • 1988-1993 Chevrolet K2500 Cheyenne
  • 1988-1990 Chevrolet K2500 Scottsdale
  • 1988-1993 Chevrolet K2500 Silverado
  • 1985-1991 Ford Bronco Custom
  • 1985-1991 Ford Bronco Eddie Bauer
  • 1990-1991 Ford Bronco XL
  • 1985-1991 Ford Bronco XLT
  • 1988-1992 Ford F-250 Custom
  • 1995 Ford F-250 Eddie Bauer
  • 1995 Ford F-250 Special
  • 1988-1995 Ford F-250 XL
  • 1993-1995 Ford F-250 XLT
  • 1988-1992 Ford F-250 XLT Lariat
  • 1988-1992 Ford F-350 Custom
  • 1995 Ford F-350 Eddie Bauer
  • 1995 Ford F-350 Special
  • 1988-1995 Ford F-350 XL
  • 1993-1995 Ford F-350 XLT
  • 1988-1992 Ford F-350 XLT Lariat
  • 1988-1993 GMC C1500 Sierra
  • 1988-1993 GMC C1500 Sierra SLE
  • 1988-1993 GMC C1500 Sierra SLX
  • 1988-1993 GMC C2500 Sierra
  • 1988-1993 GMC C2500 Sierra SLE
  • 1988-1993 GMC C2500 Sierra SLX
  • 1980-1987 GMC Jimmy Base
  • 1980-1985 GMC Jimmy High Sierra
  • 1980-1985 GMC Jimmy Sierra Classic
  • 1987 GMC Jimmy Sierra Classic
  • 1980-1982 GMC Jimmy Sierra Grande
  • 1980-1982 GMC Jimmy Street Coupe
  • 1988-1993 GMC K1500 Sierra
  • 1988-1993 GMC K1500 Sierra SLE
  • 1988-1993 GMC K1500 Sierra SLX
  • 1993 GMC K1500 Sierra Sport
  • 1988-1993 GMC K2500 Sierra
  • 1988-1993 GMC K2500 Sierra SLE
  • 1988-1993 GMC K2500 Sierra SLX
View full details

California Proposition 65 Warning

This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov ↗.