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Flowmaster

Flowmaster American Thunder Crossmember-Back Exhaust System

4.5' (1201 reviews)
£964.79 GBP inc VAT
Shipping calculated at checkout.
SKU: 817940
Fits 1967-1972 Chevrolet/GMC K10, K15/K1500, K20, K25/K2500 4WD Trucks with V8 Engines, 2.50" 409 Stainless Steel Crossmember-Back Design Works with Stock Manifolds or Headers, Allowing More Application Options 16-Gauge, 2.50-Inch 409 Stainless Steel Pipes add Durability and Strength Super 44 Mufflers Deliver Increased Performance and an Aggressive to Moderate Sound Level Three Different Tailpipe Exit Options Allow You to Tailor the Look of the Kit to Your Style Mandrel-Bent Pipes Help to Maximize the Exhaust Flow for Better Performance H-Pipe Style Crossover Helps Exhaust Gas Scavenging and Reduces Drone Includes Hangers and Hardware for Installation Lifetime Limited Warranty

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US warehouse: 14

Delivery ETA:Sep 26 - Sep 30
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Flowmaster 817940 primary image
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Product Specifications

Brand
Flowmaster
California Proposition 65 Required
Yes
Catalytic Converter Quantity
0
Clamping Type
Flat Band
Clamping Type
Round Band
Clamps Included
Yes
Exhaust Series
American Thunder
Exhaust Tip Quantity
Sold Separately
Exit Position
DOR/S
Exit Style
Dual Out Rear
Exit Style
Dual Out Side
Gasket Or Seal Included
No
Grade Type
Performance
Hangers Included
Yes
Heat Shield
No
Inlet Type
Weld-On
Main Piping Diameter
2.50 IN
Mount Type
Uses New Hangers (Included)
Mounting Bracket Included
Yes
Muffler (Left) Type
Chambered
Muffler (Right) Type
Chambered
Muffler Body Shape
Oval
Muffler Color
Black
Muffler Flanged Inlet
No
Muffler Flanged Outlet
No
Muffler Inlet Connection
Slip-Fit
Muffler Inlet Diameter
2.50 IN
Muffler Inlet Inside Diameter
2.50 IN
Muffler Inlet Location
Offset
Muffler Inlet Outside Diameter
2.63 IN
Muffler Outlet Connection
Slip-Fit
Muffler Outlet Diameter
2.50 IN
Muffler Outlet Quantity
1
Muffler Part Number
Kit Only
Muffler Quantity
2
Muffler Series
Super 44
Muffler Shape
Oval
Muffler Type
Reflection
Part Type
Exhaust System Kit
Product Type
Exhaust System
Spring Bolt Kit Included
No
System Type
Crossmember-back
Tail Pipe Outlet Outside Diameter
2.50 IN
Tail Pipe Quantity
2
Tail Pipe Tapered Outlet
No
Tip Style
Not Included
Tubing Diameter
2.50 IN
Type
Crossmember-back
Valve Included
No
Valve Type
Not Included
Brand
Flowmaster
California Proposition 65 Required
Yes
Catalytic Converter Quantity
0
Clamping Type
Flat Band
Clamping Type
Round Band
Clamps Included
Yes
Exhaust Series
American Thunder
Exhaust Tip Quantity
Sold Separately
Exit Position
DOR/S
Exit Style
Dual Out Rear
Exit Style
Dual Out Side
Gasket Or Seal Included
No
Grade Type
Performance
Hangers Included
Yes
Heat Shield
No
Inlet Type
Weld-On
Main Piping Diameter
2.50 IN
Mount Type
Uses New Hangers (Included)
Mounting Bracket Included
Yes
Muffler (Left) Type
Chambered
Muffler (Right) Type
Chambered
Muffler Body Shape
Oval
Muffler Color
Black
Muffler Flanged Inlet
No
Muffler Flanged Outlet
No
Muffler Inlet Connection
Slip-Fit
Muffler Inlet Diameter
2.50 IN
Muffler Inlet Inside Diameter
2.50 IN
Muffler Inlet Location
Offset
Muffler Inlet Outside Diameter
2.63 IN
Muffler Outlet Connection
Slip-Fit
Muffler Outlet Diameter
2.50 IN
Muffler Outlet Quantity
1
Muffler Part Number
Kit Only
Muffler Quantity
2
Muffler Series
Super 44
Muffler Shape
Oval
Muffler Type
Reflection
Part Type
Exhaust System Kit
Product Type
Exhaust System
Spring Bolt Kit Included
No
System Type
Crossmember-back
Tail Pipe Outlet Outside Diameter
2.50 IN
Tail Pipe Quantity
2
Tail Pipe Tapered Outlet
No
Tip Style
Not Included
Tubing Diameter
2.50 IN
Type
Crossmember-back
Valve Included
No
Valve Type
Not Included

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Flowmaster American Thunder Crossmember-Back Exhaust System

Flowmaster

Product Details

Compatibility

Fits Flowmaster American Thunder Crossmember-Back Exhaust System.

Please refer to manufacturer specifications for complete compatibility information.

Product Specifications
Brand
Flowmaster
California Proposition 65 Required
Yes
Catalytic Converter Quantity
0
Clamping Type
Flat Band
Clamping Type
Round Band
Clamps Included
Yes
Exhaust Series
American Thunder
Exhaust Tip Quantity
Sold Separately
Exit Position
DOR/S
Exit Style
Dual Out Rear
Exit Style
Dual Out Side
Gasket Or Seal Included
No
Grade Type
Performance
Hangers Included
Yes
Heat Shield
No
Inlet Type
Weld-On
Main Piping Diameter
2.50 IN
Mount Type
Uses New Hangers (Included)
Mounting Bracket Included
Yes
Muffler (Left) Type
Chambered
Muffler (Right) Type
Chambered
Muffler Body Shape
Oval
Muffler Color
Black
Muffler Flanged Inlet
No
Muffler Flanged Outlet
No
Muffler Inlet Connection
Slip-Fit
Muffler Inlet Diameter
2.50 IN
Muffler Inlet Inside Diameter
2.50 IN
Muffler Inlet Location
Offset
Muffler Inlet Outside Diameter
2.63 IN
Muffler Outlet Connection
Slip-Fit
Muffler Outlet Diameter
2.50 IN
Muffler Outlet Quantity
1
Muffler Part Number
Kit Only
Muffler Quantity
2
Muffler Series
Super 44
Muffler Shape
Oval
Muffler Type
Reflection
Part Type
Exhaust System Kit
Product Type
Exhaust System
Spring Bolt Kit Included
No
System Type
Crossmember-back
Tail Pipe Outlet Outside Diameter
2.50 IN
Tail Pipe Quantity
2
Tail Pipe Tapered Outlet
No
Tip Style
Not Included
Tubing Diameter
2.50 IN
Type
Crossmember-back
Valve Included
No
Valve Type
Not Included

Product Description

Key Features
Fits 1967-1972 Chevrolet/GMC K10, K15/K1500, K20, K25/K2500 4WD Trucks with V8 Engines, 2.50" 409 Stainless Steel
  • Crossmember-Back Design Works with Stock Manifolds or Headers, Allowing More Application Options
  • 16-Gauge, 2.50-Inch 409 Stainless Steel Pipes add Durability and Strength
  • Super 44 Mufflers Deliver Increased Performance and an Aggressive to Moderate Sound Level
  • Three Different Tailpipe Exit Options Allow You to Tailor the Look of the Kit to Your Style
  • Mandrel-Bent Pipes Help to Maximize the Exhaust Flow for Better Performance
  • H-Pipe Style Crossover Helps Exhaust Gas Scavenging and Reduces Drone
  • Includes Hangers and Hardware for Installation
  • Lifetime Limited Warranty
Package Contents

Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.

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