Racing Beat Single Tip Exhaust System RX8 09-11

RX8 Exhaust Installation Instructions

SKU: 16394

The Racing Beat REV8 “Street Legal”, Cat-Back RX-8 Exhaust System (Single Outlet Tips) for the 2009-11 RX-8 is the perfect replacement for your stock exhaust – a durable assembly offering a real horsepower gain over your stock unit. Racing Beat’s system consists of a 304 stainless steel Racing Beat connecting-pipe, muffler canisters, tubing, flanges, and outlet tips. The replacement connecting-pipe is manufactured using 3-inch (OD) tubing and features cast stainless steel flanges for positive exhaust gas sealing. The stainless steel muffler canisters are each finished with 4-inch, polished 304 stainless tips for an aggressive look. (2009+ RX-8 exhaust systems differ with regards to the positioning of the outlet tips and are NOT compatible with earlier RX-8 models.)

Power Output
Utilizing Racing Beat’s in-house dyno test facilities, the Racing Beat engineering staff has undertaken exhaust system extensive testing with the RX-8 Renesis engine. Their research has found that simply adding a large-diameter, “straight-through” muffler is very loud, and power gains are only modest. They focused their   development efforts on optimizing the power output, while maintaining a moderate, but aggressive exhaust tone.

Based upon Racing Beat’s initial test sessions, it appeared that the Mazda engineers did not leave much “untapped” horsepower behind in the stock exhaust system. Although it appears there might be modest power gains available from a “cat-back” exhaust system, be wary of big horsepower claims from any aftermarket exhaust system.

Racing Beat’s testing has provided the following results:

Stock production engine – with muffler removed +5 HP
Stock production engine – with RB muffler + 3.5 HP
Stock production engine – with aftermarket system “A” muffler + 3.5 HP
Stock production engine – with aftermarket system “B” muffler + -1.5 HP



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