gmmg
Thread Starter
On The Tree
Joined: Sep 2008
Posts: 133
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gmmg i ordered a gmmg exhaust i wanted to no what catted y pipe would go good with this catback. i plan on getting qtp longtubes later on but for now it has stock exhaust manifolds. the car is a 02 ws6.
A catted Y won't really do much for you right now, and plus you'll need a new one when you put on longtubes. I'd leave the stock one on until you swap out your exhaust manifolds.
TECH Resident
Joined: Jan 2009
Posts: 873
Likes: 1
From: oakland, ca
im with (redneck z) you dont need a "y" pipe untill you get headers.. But when you do i recomend TSP 1 7/8 headers and catted 3 inch Y pipe..Cant beat the price and sound and performance are great..
TECH Resident
Joined: Jan 2009
Posts: 873
Likes: 1
From: oakland, ca
bigger primary pipes flow better up top..and according to different sponsors on this forumn they dont loose any power down low either..And if you might go with more inches later might as well just by headers once..
Thread Starter
On The Tree
Joined: Sep 2008
Posts: 133
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what do you mean go with more inches later like bigger exhaust piping for example 2.5 in to 3 in? and bowtie i ordered the gmmg from vengeance racing. been 3 weeks waiting to c when there gunna go out.
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You need to be calling Vengeance racing for the GMMG exhaust
As for primary size a lot of people go with 1 7/8 cause they are going to go bigger displacement later. Bigger engine. But if you are staying stock size. 1 3/4 will be fine. You wont lose any power with the smaller header.
As for primary size a lot of people go with 1 7/8 cause they are going to go bigger displacement later. Bigger engine. But if you are staying stock size. 1 3/4 will be fine. You wont lose any power with the smaller header.
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