Speedway Lake-Style Header Collector Muffler Inserts, 4 Inch Universal Fit, 12.00" Overall Length, Steel, Natural

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Seller: Top-Rated Seller speedway_motors ✉️ (299,382) 99.5%, Location: Lincoln, Nebraska, US, Ships to: US & many other countries, Item: 265950925823 Speedway Lake-Style Header Collector Muffler Inserts, 4 Inch. These muffler inserts will tone down the noise of your lake-style headers, 6-sided louvered steel core is wrapped with high-temperature packing for long life, Glasspack design provides a period correct sound, Large end is 4" OD to fit inside 4" lake-style headers, Sold in pairs Speedway Lake-Style Header Collector Muffler Inserts, 4 Inch Sku # 9303847 Mfr. Part # 9303847 Condition New Brand Speedway Motors Sold Pair Details Info

Tone down your Lakes Headers with these muffler inserts. These inserts are designed to provide excellent sound control with or without fiberglass packing. Standard inserts feature a heavy-duty, 6-sided louvered steel core that is wrapped with high-temperature packing for long life.

  • Steel Construction
  • Natural Finish
  • Sold in pairs
  • 12" length
  • Outlet/larger end O.D. is 4"

Note: May require drilling or welding depending on your configuration

Specs Material Type Steel Sold in Quantity Pair Finish Natural Overall Length 12.00 Outside Diameter 4.00 MFG. Part # 9303847 Reviews

I would consider buying this product again. Rated by Dennis T. on December 08, 2021

Summary: The mufflers slipped into the megaphone headers without any difficulty, but the sound was not modified to my satisfaction.

Yes, I recommend this product.

I would buy this again Rated by Nos on August 01, 2019

Summary: I used them in my 4" lake style headers works great

Yes, I recommend this product.

Really knocks the sound down Rated by Jim R on May 05, 2019

Summary: Used these on a 31 Ford with a SBC with open side exit headers. Really helped. I chose not to used the fiberglass and that didn't seem to matter.

Yes, I recommend this product.

I would buy this product again. Rated by Don on November 01, 2018

Summary: They fit perfect, will make my car noise legal. Bolts or screws with the kit would have been nice. Used three stainless bolts, washers and nuts to secure them.

Yes, I recommend this product.

Header baffles Rated by Header baffles on September 02, 2018

Summary: They sound just right take the loud tone right out but still sound throaty awesomeness

Yes, I recommend this product.

Related Items / Suggested Parts Lake Style Header Collector Exhaust Flange Gasket, 4 Inch Lake Style Header Turn-Outs, Plain Lake Style Header Turn-Outs, AHC Tech Support We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
  • Condition: New
  • Brand: Speedway Motors
  • Type: Exhaust Insert Mufflers
  • Material: Steel
  • Manufacturer Part Number: 9303847
  • Finish: Natural
  • Item Length: 12.00
  • Universal Fitment: Yes

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  •  Popularity - 27 watchers, 0.1 new watchers per day, 523 days for sale on eBay. Super high amount watching. 18 sold, 10 available.
  •  Best Price -
  •  Seller - 299,382+ items sold. 0.5% negative feedback. Top-Rated Plus! Top-Rated Seller, 30-day return policy, ships in 1 business day with tracking.

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