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Product Description:

These collector mufflers meet the 95 dB requirement of the NHRA rule book.

Our Dyno testing was performed by an independent engine builder, not affiliated with Lemons Headers.

Using a chassis Dyno, the test vehicle was a '67 Nova, with a 540 CU. In. BBC, 15-1 Compression, and using a 2 3/8" x 2 1/2" step header. This was a comparison test between our collector muffler and a comparable competitors collector muffler. As you can see on the Dyno sheet both mufflers performance was fairly equal until the higher RPM range. Final results show our collector mufflers with a 17.6 HP advantage at the rear tire and a 1.8 FPT increase.

Thank you for selecting Lemons Headers!
If you have any questions, give us a call at 805-239-8998
Dan Lemons

Note: Our products do not come coated. They come either with a bare metal shop finish or a high temperature black paint.

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