Header Collector Muffler Insert, 3 Inch
Header Collector Muffler Insert, 3 Inch
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Speedway Motors

Header Collector Muffler Insert, 3 Inch

Header Collector Muffler Insert, 3 InchHeader Collector Muffler Insert 3 InchSpeedway Motors Header Collector Muffler Insert 3 Inch 2 Pack Straight Through Design Reduced Noise Minimal Back Pressure Lightweight Durable Constru
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Key item features

  • Exhaust Insert Mufflers
  • Straight-through design, this muffler insert reduces noise
  • This piece does not cause excess back pressure
  • Lightweight construction with nothing to burn out ensures durability
  • Better than wearing ear plugs
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Customer ratings & reviews

4.5 out of 5 stars
stars15 ratings15 reviews
How item rating is calculated
  1. 5 stars60% (9)
  2. 4 stars33% (5)
  3. 3 stars7% (1)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 15 reviews

Oct 28, 2019
Bodyman
5 out of 5 stars review

Good

Used behind with auger insert. Amazed how much the combination quieted down the open headers with a 15 inch extension. Put these in the extension. Tapped auger in with hammer same with baffle. Might need a screw or spot weld to hold in baffle depends on your pipes.

Review from speedwaymotors.com
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Jul 31, 2018
Ed
5 out of 5 stars review

Knocks the edge off.

Just installed in Hooker header collector of 80 cutlass with blueprint 383/420hp, 2 1/2 pipes and Cherrybomb pro mufflers. Knocked the sharp edge and rasp off the exhaust and made the exhaust more linear. Don't know that it quieted a lot but did make a difference in the sound. Much more livable.

Review from speedwaymotors.com
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Aug 25, 2014
RatRodRick1
5 out of 5 stars review

Compact yet effective noise reduction

These parts saved my bacon. I have been running a set of shorty mufflers (PN 917-63030) on my small block Chevy hot rod due to limited space for the exhaust. The mufflers look good & they package well enough, but the car was still far too loud. With some careful notching on the leading edge flange of the inserts, I was able to twist them into the mufflers. A couple of tack welds & I was good to go. Probably added some small restriction to the system, but the reduction in noise was more than worth it. The car sounds great thanks to these compact, affordable parts.

Review from speedwaymotors.com
Helpful?0T8S6D0PEBWD553067951