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SLP on Mach 1????? - 03-17-04, 09:26 PM

Has anyone put a SLP Cat-Back on their Mach's??? I was wondering how they sound up top around 6000rpm?? Sound ricey or racey?????




2004 Mach 1

Best E/T 13.38 @ 106
60FT 2.24

Magnaflow Catted X w/Magnapacks
Steeda Tri-Ax
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03-22-04, 11:21 AM

Anyone????




2004 Mach 1

Best E/T 13.38 @ 106
60FT 2.24

Magnaflow Catted X w/Magnapacks
Steeda Tri-Ax
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08-30-04, 09:41 AM

I think they sound too high pitched. go to mustang exhaust .com's forums section they have lots of sound clips you can hear for yourself. your good with magnapacks you have plus they outflow slp's




RIP 2003 Mach 1.....
2007 Tungsten Grey Premium GT
Bone Stock... (for now)
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ttown's Avatar
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08-30-04, 11:16 AM

Some people on the Registry really like them. I went with the MangaPacks for $315 to my door from Performance Peddler. I would like to order the rolled tips but I haven't yet.




03 Azure Blue Mach 1 IUP - 5 speed
SAE-280RWHP 306RWTQ stock except for K&N

04 Torch Red Mach 1 - Auto

Sold to son:
02 Minerial Gray GT - 5 speed
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08-31-04, 04:58 AM

They sound great! I think they have the perfect Muscle Car sound. They are loud at WOT but can be kept quite while crusing. I've heard sound clips and they do not give you the effect of what a sweet sound the SLP's put out in person. My Son has them on his GT and they sound great on it too. But the 4-valve Mach makes the SLP's talk even more with a much louder tone and NO rice, rasp or drone!

They are straight through design, similar to the Magnapacks and are actually resinators, not mufflers. I love the Magnapack sound too but elected for the SLP's because IMO they can be real loud at WOT and still be kept a bit more quite while crusing than the Magnapacks.




2003 Torch Red Mach1

MRT Race Springs - Illumina's - Steeda Strut Brace, 4-bolt Alum C/C Plates, Alum Wght Jacker LCA's & Double Adjust UCA's - M M Panhard Bar - 3.73 FRPP Gear - FRPP Alum Driveshaft - Magnaflow Catted X-pipe -SLP "Loudmouth" Catback - MRT Blackchrome Tips - Pro-5.0 Shifter Assy - Hurst Stick & Knob - Hurst Line-loc - Diablo Predator - K&N Air Filter - Racing Sparco Wheels w/Kumho Tires - UPR K-member, Coilovers & Motor Mounts


2007 Windveil Blue Mustang
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