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.
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 ReviewsSummary: The mufflers slipped into the megaphone headers without any difficulty, but the sound was not modified to my satisfaction.
Yes, I recommend this product.
Summary: I used them in my 4" lake style headers works great
Yes, I recommend this product.
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.
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.
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.