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84LX89GT · 09-09-2002, 02:40 PM

I know you can use the barrel cap on most mufflers because alot are "turbo" type with S-curved baffles but the flowmaster would probably sound different because the resonance would be changed because you'd have two outlets. If you cut into the muffler you may even be cutting into one of the baffling walls. I personally wouldn't do it. If i were you, i'd get an offroad h-pipe, which is pretty easy to swap when you feel like it. A guy in my school has two chambers with an offroad and it is LOUD and sounds pretty cool even with full tailpipes.
Good luck on whatever you choose.

09-09-2002, 02:40 PM	#2
84LX89GT Mustangs Join Date: Jul 2000 Posts: 1,938	I know you can use the barrel cap on most mufflers because alot are "turbo" type with S-curved baffles but the flowmaster would probably sound different because the resonance would be changed because you'd have two outlets. If you cut into the muffler you may even be cutting into one of the baffling walls. I personally wouldn't do it. If i were you, i'd get an offroad h-pipe, which is pretty easy to swap when you feel like it. A guy in my school has two chambers with an offroad and it is LOUD and sounds pretty cool even with full tailpipes. Good luck on whatever you choose. __________________ 2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem 1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04 1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock)