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Muffler suggestions?

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  • #16
    You really don't want hot exhaust directed at the fuel tank, the suspension, the floorboards, wiring, etc. All it takes is a minimal "turndown" to point it away from critical components. In my case, I have the twin 3" turndowns pointed inwards, in an attempt to minimize the noise that exits the sides of the car. This is required to meet the noise limits at our local track. I also have interchangeable turndowns with noise reduction cones for a bit more noise control if required.

    Fred

    381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor

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    • #17
      Okay I tried taking muffler off and I like it at idle, but when I rev it it is ridiculous loud. I've already put the muffler back on. Guess I'll have to focus on something else like my rattling shifter. Does anyone know what could be the reason why my aftermarket( pro 5.0 shifter would rattle while in gear?

      cc 304 Cam, BBK Headers, Magnaflow exhaust, Eagle Crank, 1.6 Rocker Arms, Zoom Racing clutch, Pulley, Computer upgrade, Hurst short throw shifter,KNN filter

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      • #18
        My Pro 5.0 rattled when the bolts that hold the lever to the shifter came loose. They needed to be "double nutted" to prevent them from coming loose repeatedly.
        Fred

        381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor

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        • #19
          Thank you for the info. I'll do that this weekend.

          cc 304 Cam, BBK Headers, Magnaflow exhaust, Eagle Crank, 1.6 Rocker Arms, Zoom Racing clutch, Pulley, Computer upgrade, Hurst short throw shifter,KNN filter

          Comment

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