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Originally Posted by Heartbreaker
Is there anyone out there that is running headers and high flow cats that stayed under the DB limit? I am running headers with high flow cats that connect into the stock muffler. A little concerned about track sound dB limit.
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Agree with Bad Dab - chambered stock mufflers should be fine. I blew the sound limit there in 2017 with cam, headers, hi-flo cats and Borla ATAK mufflers (104.7 dB). Came back last year with Borla S-Type mufflers and passed.
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TSP Stage 3 Cam, BBK SS/Ceramic Headers, Solo Cats, Borla Exhaust/Deletes, K&N CAI, Lethal Performance Tune, Carbotech Brakes, Phastek Braided Brake Lines, Brake Ducts, BMR/Eibach Springs, Hotchkis Sway Bars & End Links, BMR Chassis Connectors, Vorshlag Camber Plates, 1LE 3.91 Gear, Hurst Shifter, 2017 ZL1 Wheels, ZL1 Grille and Ground Effects, SLP Splitter, MPD1 Spoiler, Oracle Interior Lighting, Gen5DIY Headlight/Halo/DRL System
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