Compression Ignition Addict
Join Date: Jul 2011
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Had up-pipes replaced.....still get whistle noise
So I spent the money to have my cab removed to have my up-pipes replaced because of a recent whistle noise at certain throttle ranges. Now my stock up-pipes did in fact have a leak....I saw it......but replacing them did not fix the whistle. What do I look at next? Turbos? Exhaust manifolds? Im bummed and running my credit card raw. Other than the noise, the truck runs great.
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2010 CCSB FX4. Mini Maxx/Gearhead, Deletes, H11 Studs, Up-pipes, 4" DP, 5" Back, CAC, Elbow, CCV, CAI, Custom Heads, Elite Transmission