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#1 |
Registered Member
Join Date: Jun 2002
Location: Massachusetts
Posts: 157
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![]() I recently had a MAC h-pipe with hi-flow cats professionally installed, and since then, my car sounds better and I think I picked up a couple of highway horses, but sometimes when Iam driving at a constant speed, I can hear rattling from under the car, and when I first start the car and put it in drive and hit the gas to accelerate, it sometimes makes this weird popping sound for the first 1-2 seconds that sounds like it is coming from the engine compartment. I've had the H-pipe on for a good 3 months now, and my car seems to be fine, except for the noises. Just wanted to know if anyone has experienced this with an aftermarket H-pipe.
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Thread | Thread Starter | Forum | Replies | Last Post |
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