Everytime I have installed a performance exhaust systems on my vehicles, I lose performance - mainly low end torque, throttle response and drivability. No one drives around at 5,000 RPM, and this is where the performance is noticed most.
I need an exhaust system that will increase performance without losing my low end torque. The engine in the Hummer is desgned to provide maximum torque at low RPMs to get this heavy vehicle moving.
I have tried differnt brands on every vehicle that I have had and they all do the same thing. I am fed up.
I odered the Corsa Touring series thinking this will add some additional back pressure over this current Gibson exhaust system.
I regret ever removing my stock exhaust as this thing is very sluggish down in the low RPM ranges since I removed the stock exhaust.
Any ideas guys? I am so tired of this marketing crap. All of their dyno charts so gains about 3200 RPM+, but we normally drive much lower than this.
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H2 SUT 4.56 Gears, Front Locker, Cognito Pitman/Idler kit & Idler Pivot Kit, Fab Tech Tie Rods, True Tech Trailing Arms, Edelbrock Panhard Rod, PML rear Diff & Tranny Pans, Corsa Exhaust, Dynatech LT Headers, Diablo Predator Programmer, Volant CAI, Warn 9500 Winch, Escort 8500x50 & ZR3 Laser Shifter, Delta Light Bar, Rancho Steering Stabilizer & Bilstein Shocks, Ron Davis Radiator, PowerSlot Rotors, Hawk Brake Pads
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