351W power expectations
3rd Gear Member
Joined: Mar 2006
Posts: 971
From: Apison, TN
RE: 351W power expectations
Go with Flowmaster 40 Series 2 chamber mufflers. They sound great, and provide just enough back pressure to help prevent torque loss. I would stay with 2.25 inch pipe too unless you're making over 400 hp.
3rd Gear Member
Joined: Apr 2004
Posts: 686
From:
RE: 351W power expectations
ORIGINAL: 67t5ponycoupe
I don't know where you got those numbers but they are not even close. 69 2 barrel is rated at 250 and 4 barrel is rated at 290. You are well over 200 now.
I don't know where you got those numbers but they are not even close. 69 2 barrel is rated at 250 and 4 barrel is rated at 290. You are well over 200 now.
6th Gear Member
Joined: Apr 2007
Posts: 10,468
From: California
RE: 351W power expectations
I don't like Flowmasters, too restrictive. Hooker Aero Chambers are a straight through muffler(high flow), not real loud so you won't attract too much attention from cops etc, but scream when you open it up.
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KingRando
2005-2014 Mustangs
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Oct 2, 2015 08:06 AM
