01-15-2019, 07:58 PM | #57 |
I just replaced my MRT v2 catback with Mishimoto SS axleback. Full 3" exhaust all the way back. The SS setup has drone resonators and I also added in a flowmaster hushpower resonator to help.
My advice to help your drone issues is by adding a performance resonator about mid pipe. Still can be loud but better for daily driving comfort. I still set off car alarms in my parking garage. Last edited by StPeteHyper2.0; 01-16-2019 at 12:31 PM. |
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01-16-2019, 07:07 AM | #58 | |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
Location: Stratford, CT
Posts: 827
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I would very much like to stay with Mishimoto, but the pro axle back is absolutely ridiculously expensive IMO. I really wish they added those resonators to the cat back or regular dual tip race axle-back. Holley and MBRP have systems with resonators and/or mufflers. My question to Mishimoto is whether the tiny mufflers they have on the cat back system actually reduce drone or are just there to say they have mufflers?
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Subscribe on YouTube Whiskeyfed Camaro Follow my Build Thread The WhiskeyFed Camaro Current Modifications: JacFab Boost-O-Lator, Injen Evolution CAI, ZZP Catless Downpipe, RPM 3" Charge Pipe, Mishimoto Oil Filtration/Coolant Systems, R1 Concepts Brakes Package, Eibach Pro-Kit Lowering Springs, PTP Lava Exhaust Wrap & Turbo Blanket DYNO SHEET: 297whp / 374wtq Tuned by #danytechtuning |
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01-16-2019, 08:01 AM | #59 | |
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HD Cooling and Brakes, Ingen Evo7300, ZZP Throttle Body, and Mishimoto Cat-Back w/ Quad Tips.
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01-16-2019, 08:44 AM | #60 |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
Location: Stratford, CT
Posts: 827
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Gotcha. Okay, I have a catless pipe and the drone with a muffler delete is unnerving. Im just afraid if I spend the money on the cat back, that the mufflers will not have any effect on the drone. Whereas the "pro" exhaust that has the resonators might.
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Follow me on Instagram @whiskeyfed
Subscribe on YouTube Whiskeyfed Camaro Follow my Build Thread The WhiskeyFed Camaro Current Modifications: JacFab Boost-O-Lator, Injen Evolution CAI, ZZP Catless Downpipe, RPM 3" Charge Pipe, Mishimoto Oil Filtration/Coolant Systems, R1 Concepts Brakes Package, Eibach Pro-Kit Lowering Springs, PTP Lava Exhaust Wrap & Turbo Blanket DYNO SHEET: 297whp / 374wtq Tuned by #danytechtuning |
01-16-2019, 11:32 AM | #61 |
TBH the cat back is really loud. My car is louder on cold start than my mom's scatpack's cold start. If you're worried about the drone (which isn't the worst but definitely present in that rpm range) I would go with the ss pro axle-back as you said.
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HD Cooling and Brakes, Ingen Evo7300, ZZP Throttle Body, and Mishimoto Cat-Back w/ Quad Tips.
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01-16-2019, 12:39 PM | #62 |
That stock downpipe is acting as the resonator to help with your drone. My MRT v2 catback was great with very little drone til I swapped the downpipe.
With the catted downpipe I have, RPM's, the Mishi SS axle back sound really good also with little drone. Was just too loud for my daily taste. Adding the FP hushpower helped with that. As far as adding or reducing HP numbers due to exhaust shouldnt be extreme and I really didnt care anyway. |
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