X-pipe angle ?
#2716373
11/16/19 12:52 PM
11/16/19 12:52 PM
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Joined: Sep 2003
Posts: 19,237 north of coder
moparx
OP
"Butt Crack Bob"
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OP
"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,237
north of coder
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i want to build an X-pipe for my charger. what is the common angle [if there is one] on most available "pre-built" units ? 30 degrees or so ? 45 ? all are different ? [can't be that much difference can there ?] the headers have a very short, 3 1/2" collector. should i go 3 1/2" to the X, then 3" from there, or 3" right from the collector ? TIA !
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Re: X-pipe angle ?
[Re: moparx]
#2716423
11/16/19 03:15 PM
11/16/19 03:15 PM
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Joined: Jan 2003
Posts: 2,901 A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,901
A shed in England
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These are 45 degrees, 4 ", It's what can fit under the car. For the street I just slip on a pair of modified 4" supertrapps
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials. 9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge. RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: X-pipe angle ?
[Re: moparx]
#2716667
11/17/19 12:04 PM
11/17/19 12:04 PM
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Joined: Jan 2003
Posts: 2,901 A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,901
A shed in England
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I'd stay 3 1/2" all the way through. With the bullet mufflers there is no noticeable difference in ET and though it's way quieter than open headers, it's still too loud for the street which is why we slip on a couple of supertrapps. We just replace them with turndowns at the track. If you just want a quiet (ish) 2 muffler system, pick your muffler wisely, some are better than others when it comes to flow / silencing. Edit: You can make em out here
Last edited by Tig; 11/17/19 12:08 PM.
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials. 9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge. RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: X-pipe angle ?
[Re: Tig]
#2717141
11/18/19 12:34 PM
11/18/19 12:34 PM
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Joined: Dec 2007
Posts: 12,587 Great Neck,LI,new york
hemi-itis
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 12,587
Great Neck,LI,new york
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These are 45 degrees, 4 ", It's what can fit under the car. For the street I just slip on a pair of modified 4" supertrapps Nice home made "X",,,I did the same.
HEMI-ITIS has no cure. My condition is fully BLOWN!!
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