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Hooker

Hooker Sidetube Slip-In Mufflers

4" Sidetube Slip-In Glass Pack Muffler; Sold In Pairs.

Part # 21021HKR Be the first to write a review
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For 4" sidetube sound control, Hooker builds long lasting slip-in mufflers. These mufflers are easily removed for racing purposes and are available in a performance style glasspack or our quieter all metal reverse flow style for small and big block applications. Hooker mufflers produce a high level of sound control without restricting engine efficiency. Sold in pairs.

Features:

  • Fits 4" Side Tube systems
  • Performance Style Glass Pack Design
  • Long Lasting
  • Easily Removed For Racing
  • Will Not Restrict Engine Efficiency

About Hooker

Since the golden era of drag racing in the 1960s, Hooker has helped more racers reach the Winner's Circle than any other header company. From the stoplight to the race track, Hooker exhaust technology will make your car or truck perform and sound better.

Automotive Item GradeHigh Performance
Body Height (in)4
Body Length (in)33.25
Body Width (in)4
Brand Hooker
ColorRaw/Bare
Emission Code5
FinishNatural
FitmentUniversal
Inlet Connection TypePipe Connection
Inlet Diameter (in)4
Inlet PositionCenter
MaterialAluminized Steel
Muffler SeriesSide-Tube Slip-In
Muffler TypeSide-Tube Slip-In
Outlet Connection TypePipe Connection
Outlet Diameter (in)4
Outlet PositionCenter
Overall Length (in)33.25
Product TypeStreet Mufflers
ReversibleNo
ShapeRound
Sound LevelAggressive Sound
Type of MufflerSide-Tube Slip-In
Vehicle TypeClassic Muscle Car
Street Rod
UPC700414030005
Part Number21021HKR
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.

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