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[Buick] l67 exhaust questions..

HARVZ-6

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Okay so iv started "customizing" my exhaust lol

Pacemaker extractors into straight cats then a 2.5"twin system..
now iv replaced the back section with twin 3"pipes but up the front where the pipes join is my issue..

Is there any real reason twin systems all seem to be joined at some point?

i want to cut and weld these up seperate

cheers:thumbsup:
 

VSIIBerlinaL67

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mine only joined just a tiny section after the cats |-| then seperate all the way to the back
 

delcowizzid

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yeah the balance pipe helps low down torque i run my vp without with pacies and twin 2.25" still has plenty of torque but i would suggest the balance pipe or an x-pipe as suggested.the x-pipe needs to be exactly the same length away from each header flange on both pipes to work correct.a balance pipe needs to be a lot smaller than the exhaust size for 2.25 the max size is 1 7/8 inch so for 2.5" its not going to be much bigger than that either.
 

HARVZ-6

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okay cheers for that..

finished off the 3" section today.. sounds nuts for a 6 =D

but damb is it deep under load lol
 

delcowizzid

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slap 2 hotdags where the mufflers are and run 2 ovals at the rear sounds really good like that
 

HARVZ-6

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trust me man, it needs those mufflers lol pretty sure they are just sparkarestors anyways.. not doing much

when at speed its fine..
but under load ie TRYING to drive slowly around town its so loud it vibrates everything..

under full throttle i near pop its that good ;)

baha
 
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