Free shipping on orders over $100 - Details
ASK OUR EXPERTS
1-866-464-6553
Hooker

Hooker Sidetube Slip-In Mufflers

4" Sidetube Slip-In Muffler; Sold In Pairs; All Metal Big Block Reverse Flow Design

Part # 21003HKR Be the first to write a review
In Stock
Your Price
$296.95
Suggested Retail
$330.00
Add to Wish List
Starting at $27 a month with Learn More
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
  • Big Block Reverse Flow Design
  • Easily Removed For Racing
  • Efficient Design yet much Quieter than Glass Pack
  • High Level Of Sound Control
  • All Metal Construction

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
BrandHooker
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
UPC700414029849
Part Number21003HKR
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.

Reviews

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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