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Quick to install quiet insertInstall and release in 15 secondsDrop sound significantlySmall 1.5'' outletSome loose of bottom end power and throttle responseRetain open pipe power from 7500rpm up on most applicationAvailable with an optional spark arrestor type mesh

Save on Quiet Core with a RP Race Performance US promo code

Checkmate is a savings app with over one million users that have saved $$$ on brands like RP Race Performance US.

The Checkmate extension automatically applies RP Race Performance US discount codes, RP Race Performance US coupons and more to give you discounts on products like Quiet Core.