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Street Race Truck More... The Toolbox
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$232.95
$188.06
Hooker 21021HKR Sidetube Slip-In Glass Pack Muffler, 4 Inch
Hooker 21021HKR Sidetube Slip-In Glass Pack Muffler, 4 Inch

Hooker 21021HKR Sidetube Slip-In Glass Pack Muffler, 4 Inch

Universal Fit, Glass Pack Muffler Type, 4" Inlet Diameter, 4" Outlet Diameter, 4.00 Inlet Size

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Hooker 21021HKR Sidetube Slip-In Glass Pack Muffler, 4 Inch
Hooker 21021HKR Sidetube Slip-In Glass Pack Muffler, 4 Inch
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We estimate this item will ship on or before December 19th.
Part # 42521021HKR1
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$188.06
$232.95
pair
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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.

Details

Muffler Type:
Glass Pack
Inlet Diameter:
4"
Outlet Diameter:
4"
Inlet Size:
4.00
Outlet Size:
4.00
MFG. Part #:
21021HKR
Sold in Quantity:
Pair
GTIN Code:
700414030005

Info

HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

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

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  • A new motor deserves new exhaust. Click here for a rundown on selecting the best setup!
  • 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.
  • Some basic info on the various exhaust options carried by Speedway Motors.

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