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Spartan 1771 · 10-26-2019, 10:12 AM

I ran an OEM Nismo Cat-back for several years. The difference in sound is minor. This Cat-back is responsible for around half of the 18 HP difference between the base and Nismo, so you will gain a few horses. The idle at start-up will be louder, but it quiets as the car warms up. Under normal cruising conditions the difference in sound will be almost unnoticeable. Under heavy throttle you will hear a more aggressive note, but again, it's nothing crazy or unbearable. If all you want is a few more horses and a slightly more aggressive note without breaking the bank, it's a decant system.

10-26-2019, 10:12 AM	#2 (permalink)
Spartan 1771 A True Z Fanatic Join Date: Nov 2009 Location: Western Maryland Posts: 1,280 Drives: Wife crazy & 09 370Z Rep Power: 105453	I ran an OEM Nismo Cat-back for several years. The difference in sound is minor. This Cat-back is responsible for around half of the 18 HP difference between the base and Nismo, so you will gain a few horses. The idle at start-up will be louder, but it quiets as the car warms up. Under normal cruising conditions the difference in sound will be almost unnoticeable. Under heavy throttle you will hear a more aggressive note, but again, it's nothing crazy or unbearable. If all you want is a few more horses and a slightly more aggressive note without breaking the bank, it's a decant system. __________________ ~Rob -DD Air Guide, Stillen G3 CAIs, 63mm Throttle Bodies, Motordyne M370, Berk HFCs, FI TDX CBE (non-res, CF), Sprint booster v3, Ecutek Dyno Tuned, and the list goes on...