aeroturbine 4040 or 4040xl - Ford Powerstroke Diesel Forum
View Poll Results: which one
4040 0 0%
4040xl 1 100.00%
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post #1 of 1 Old 07-28-2009, 01:08 PM Thread Starter
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aeroturbine 4040 or 4040xl

trying to decide on which muffler to get i have a strait pipe now want something quieter and without the drone how much of a difference is there?

15 F350 RC 4x4
14 F550 CC 4x4
05 2500HD CCSB 4x4 Duramax
02 F250 CCSB 4x4 ZF6 Swap
- aFe Stage II, 4" TB Exhaust, P.I.S. 160cc/30%, GTP38R, T500, DP-Tuned
- ITP Overboost Annihilator, Regulated Return
02 F250 CCLB 4x4 (Parting Out)
02 F250 SCSB 4x4
- Ford AIS Intake, 4" TB Exhaust
- ITP Overboost Annihilator, DP-Tuned
01 F250 SCLB 4x4
- DIY Intake 4" TB Exhaust
99 F550 RC 2x4 ZF6
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