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LS Exhaust Comparison Gold! HSV Headers vs Aftermarket Tri-Y's & 4-1's. What would you choose?

If your objective is useable torque and power for the street. Which system would you choose and why?

  • HSV 340 Headers (2 1/2" outlet) with Standard HSV 2.5" Cat-Back

    Votes: 11 23.4%

  • HSV 340 Headers (2 1/2" outlet) with Aftermarket 2.5" Cat-Back

    Votes: 2 4.3%

  • HSV 340 Headers (2 1/2" outlet) with Aftermarket 3" Cat-Back

    Votes: 0 0.0%

  • Aftermarket 1 3/4 'Tri-Y' Headers with Aftermarket 2.5" Cat-Back

    Votes: 4 8.5%

  • Aftermarket 1 3/4 'Tri-Y' Headers with Aftermarket 3" Cat-Back

    Votes: 3 6.4%

  • Aftermarket 1 3/4 '4-1' Headers with Aftermarket 2.5" Cat-Back

    Votes: 3 6.4%

  • Aftermarket 1 3/4 '4-1' Headers with Aftermarket 3" Cat-Back

    Votes: 6 12.8%

  • Aftermarket 1 7/8 '4-1' Headers with Aftermarket 2.5" Cat-Back

    Votes: 5 10.6%

  • Aftermarket 1 7/8 '4-1' Headers with Aftermarket 3" Cat-Back

    Votes: 13 27.7%
  • Total voters
    47
Sheppbloke

Sheppbloke

Donating Member
Joined
Nov 6, 2017
Messages
40
Reaction score
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Points
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Age
60
Location
Shepparton
Members Ride
VF2 SSV Redline
IF anyone is interested, I have some HSV 340 Tri Y's with cats in great nic looking for a new home.
Easy bolt up to stock cat back with no engine light, good gains across rev range and cheap as for what they are.
 
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