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Ehauxt midipipe4/11/2023 ![]() ![]() Just what is "unacceptable"? We assumed that an individual that has purchased a RX-8 is seeking an exhaust note that reflects the character of both the car and the maturity of the car owner. Too much sound dampening would rob power too little dampening would bring the exhaust note up to unacceptable levels. Utilizing our in-house dyno test facilities, Racing Beat’s design team spent considerable effort to fine-tune the internal canister design of our muffler canister to provide what we believe is the ultimate rotary exhaust note! During development of the exhaust, we worked extensively to find the optimum balance between power and sound level. polished 304 stainless tips for an aggressive look. The stainless steel muffler canisters are finished with 4" O.D. tubing and features cast stainless steel flanges for positive exhaust gas sealing. The replacement connecting-pipe is manufactured using 3" O.D. Our system consists of a 304-series stainless steel Racing Beat connecting-pipe, muffler canister, tubing, flanges, and outlet tips. The Racing Beat REV8 street-legal, cat-back exhaust system is the perfect replacement bolt-on system for your stock RX-8 exhaust - a durable assembly offering a real horsepower gain over your stock unit. We still have hope that continued research in exhaust porting may provide performance improvements, but there are very serious restrictions to the shape of the port profiles caused by the way the side corner seals move across the ports. This causes the engine to be insensitive to exhaust tuning - the pulses are less sharp and the return path is less direct to the chamber. The main restriction is still there - the exhaust ports. The "negative" side is the that removing the muffler provides very modest power gains. Thus, the catalytic converter and exhaust can be made of less expensive materials and the muffler can be less restrictive while still offering a "streetable" exhaust note. This means that exhaust gas temperatures drop from 1800☏ and more with peripheral exhaust ports to roughly 1600° F now. The reason this is "positive" is that it softens the exhaust pulses and cools the exhaust. ![]() On a positive note, side exhaust porting opens slow, closes slow (relative to peripheral exhaust porting) and causes a substantial pressure drop in the free stream of exhaust where the flow has to make some awkward turns out of the combustion chamber. This style of porting has both positive and negative consequences. The largest difference between this engine and all previous Mazda rotaries is the side exhaust porting. The RX-8 Renesis engine is a remarkable combination of detail improvements that have been developed over many years. iPE reserves the right to revise, change, explain the product.A cat-back, emissions legal exhaust system is one of the most popular upgrades for the RX-8. The warranty is voided in case of accidents, modifications, improper or competition uses.Īctual product may vary due to product enhancement. The warranty is limited to defects recognized by our technical department and of normal use only, and excludes items subject to normal wear and tear (gaskets and damping wool). iPE makes no representation or warranties with regard to damage caused by the improper installation, use and maintenance of the iPE exhaust system. When installing the iPE exhaust system be careful that the exhaust system does not touch other parts sensitive to high temperature.ģ. The manufacturer, importer or dealer shall not be liable for any incidental damage including personal injury or any other damages caused by improper installation or operation of the iPE exhaust system. If you have any trouble installing the system please contact your authorized dealer!Ģ. IPE will not be held responsible for any damages to the vehicle, and warranties on our products will be voided if the damages occurred due to improper installation. Improper adjustments made during installation may result in short-term to permanent damages to the iPE exhaust system and/or your vehicle. WARNING - Please read these disclosures carefully prior to your installation!ġ. IPE A90 GR Supra 3.0T Exhaust specificationsĪll standard tips comes with chrome-silver tips. In addition, with valvetronic control system, the exhaust sound can switch between aggressive and silence. Threw a lower exhaust resistance, iPE brings higher performance and sound at high rpm. We provides two options of 200 cell cat pipe and catbypass. IPE Exhaust's GR Supra B58 products can be defined into four parts: cat pipe, front pipe, mid pipe and muffler. *Please confirm whether your car has an “OPF system” before placing an order.
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