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$275.95
Hooker 21003HKR Sidetube Slip-In Muffler, 4 Inch, Sold In Pairs
Hooker 21003HKR Sidetube Slip-In Muffler, 4 Inch, Sold In Pairs

Hooker 21003HKR Sidetube Slip-In Muffler, 4 Inch, Sold In Pairs

Universal Fit, Side-Tube Slip-In Muffler Type, 4.00" Inlet Diameter, 4.00" Outlet Diameter

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Hooker 21003HKR Sidetube Slip-In Muffler, 4 Inch, Sold In Pairs
Hooker 21003HKR Sidetube Slip-In Muffler, 4 Inch, Sold In Pairs
Hooker 21003HKR Sidetube Slip-In Muffler, 4 Inch, Sold In Pairs
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Hooker 21003HKR Sidetube Slip-In Muffler, 4 Inch, Sold In Pairs
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We estimate this item will ship on or before September 23rd.
Part # 42521003HKR
$275.95
$281.95
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Details

Muffler Type:
Side-Tube Slip-In
Inlet Diameter:
4.00"
Outlet Diameter:
4.00"
MFG. Part #:
21003HKR
GTIN Code:
700414029849
Sold in Quantity:
Each

Info

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.

  • 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

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Hooker Headers to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • If you're ready to get your street machine sounding as good as it looks, it's important to know how each muffler will affect your sound and performance. Take a listen and decide which muffler is best for your rod.
  • Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
  • A new motor deserves new exhaust. Click here for a rundown on selecting the best setup!

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