I have the Racing Beat Header, I love it. Smooths out the power range and you can def. feel the power gain. It does add some raspy sound but not too much.
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2005 Mazda RX-8 Velocity Red Mica - Daily Driver
2004 Mazda RX-8 Titanium Gray Metallic - RIP
1997 Mitshibishi Eclipse GST Black -Sold- RIP
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