2026 Demon Tweeks Motorsport Catalogue - Flipbook - Page 359
1 O/D
Length (mm)
1000
500
1000
500
1000
500
1000
500
1000
500
1000
500
1000
1000
1000
500
1000
500
1000
500
1000
500
1000
1000
1.5” / 38mm
1.5” / 38mm
1.65” / 42mm
1.65” / 42mm
1.75” / 44.5mm
1.75” / 44.5mm
1.89” 48.3mm
1.89” 48.3mm
2” 50.8mm
2” 50.8mm
2.13” 54mm
2.13” 54mm
2.25” 57mm
2.36” 60mm
2.5” 63.5mm
2.5” 63.5mm
2.75” 70mm
2.75” 70mm
3” 76.1mm
3” 76.1mm
3.5” 88.9mm
3.5” 88.9mm
4” 101.6mm
5” 127mm
Part No.
(U013800)
(U013850)
(U014200)
(U014250)
(U014500)
(U014550)
(U014800)
(U014850)
(U015100)
(U015150)
(U015400)
(U015450)
(U015700)
(U016000)
(U016300)
(U016350)
(U017000)
(U017050)
(U017600)
(U017650)
(U018900)
(U018950)
(U010200)
(U012700)
* Please add R suffix to part numbers for stainless steel.
Dimensions other than pipe diameter are apparoximate
and measured in mm.
Mild Stainless*
£14.36
£24.86
£7.69
£14.01
£14.45
£25.21
£9.41
£15.42
£14.14
£25.44
£9.41
£15.94
£16.15
£29.19
£10.60
£17.50
£16.15
£29.93
£10.60
£17.92
£34.25
£19.25
£38.45
£38.45
£21.11
£39.40
£12.24
£19.74
£42.66
£26.60
£23.56
£44.06
£12.24
£28.05
£30.72
£50.71
£18.11
£34.30
£42.72
£86.93
£66.98 £125.98
R
Over-Axle Bends
2 O/D I/D L H
1.75”
2”
2.5”
3”
44.8
51.1
63.8
76.4
650
660
900
900
190
185
170
180
B R
65 100
65 100
65 130
75 160
V1 V2
60 120
60 120
45 90
45 90
Part No.
(U044500)
(U045117)
(U046321)
(U047600)
Part No.
(U905142)
(U905145)
(U905151)
(U905745)
(U905748)
(U906348)
(U906351)
(U906363)
(U907663)
(U907676)
(U900289)
Mild
£25.42
£25.42
£27.37
£28.19
£28.19
£29.49
£29.49
£29.95
£32.73
-
ID
V1
Mild Stainless*
£22.03
£33.89
£23.94
£36.78
£25.59
£41.12
£47.12
£64.71
3
B
from
£25.42
Y-Pieces
3 O/D1
2”
2”
2”
2.25”
2.25”
2.5”
2.5”
2.5”
3”
3”
4”
O/D2
42
1.75”
2”
1.75”
48
48
2”
2.5”
2.5”
3”
3.5”
B
95
100
115
100
110
110
115
140
140
165
200
L
320
320
325
320
320
320
315
320
325
380
400
Stainless*
£40.39
£45.53
£46.91
£51.16
£52.70
£61.65
£90.62
L
B
OD1
OD2
from
£35.78
4
T-Pieces
4 O/D1 O/D2
2.5”
2.5”
3”
3”
3.5”
H
180
190
170
250
250
2”
2.5”
2.5”
3”
3”
L
350
370
360
420
420
Part No. Aluminised Stainless
(U916351)
£35.78
£51.19
(U916363)
£35.78
£51.19
(U917663)
£37.67
£55.29
(U917676)
£55.29
(U918976)
£72.14
L
OD2
H
from
5 Dia
L
380
380
480
2”
2.5”
3”
£59.55
5
X-Pieces
W
115
140
160
Part No.
(U9051XR)
(U9063XR)
(U9076XR)
Stainless
£59.55
£63.46
£91.91
ID
Bends
8 O/D
H
V1
£7.69
B
V2
OD
8
R
L
£22.03
A
OD
from
2
from
V
A
Manufactured from high
quality Swedish, aluminised
mild or stainless steel
to ensure long life and
reliability. The large bore
pipework and straightthrough design of the
boxes guarantees superb
flow along with excellent
sound absorption. Ideal for
competition use, bespoke
applications or kit cars.
I/D
38.3
38.3
38.3
38.3
42.3
42.3
42.3
42.3
44.8
44.8
44.8
44.8
48.6
48.6
48.6
48.6
51.1
51.1
51.1
51.1
54.3
54.3
54.3
54.3
57.3
57.3
57.3
57.3
100
100
100
100
63.8
63.8
63.8
63.8
70.3
70.3
70.3
70.3
76.4
76.4
76.4
76.4
89.3
89.3
89.3
89.3
102.1
102.1
102.1
102.1
127.5
127.5
127.5
127.5
1.5” / 38mm
1.5” / 38mm
1.5” / 38mm
1.5” / 38mm
1.65” / 42mm
1.65” / 42mm
1.65” / 42mm
1.65” / 42mm
1.75” / 44.5mm
1.75” / 44.5mm
1.75” / 44.5mm
1.75” / 44.5mm
1.89” 48.3mm
1.89” 48.3mm
1.89” 48.3mm
1.89” 48.3mm
2” 50.8mm
2” 50.8mm
2” 50.8mm
2” 50.8mm
2.13” 54mm
2.13” 54mm
2.13” 54mm
2.13” 54mm
2.25” 57mm
2.25” 57mm
2.25” 57mm
2.25” 57mm
2.36” 60mm
2.36” 60mm
2.36” 60mm
2.36” 60mm
2.5” 63.5mm
2.5” 63.5mm
2.5” 63.5mm
2.5” 63.5mm
2.75” 70mm
2.75” 70mm
2.75” 70mm
2.75” 70mm
3” 76.1mm
3” 76.1mm
3” 76.1mm
3” 76.1mm
3.5” 88.9mm
3.5” 88.9mm
3.5” 88.9mm
3.5” 88.9mm
4” 101.6mm
4” 101.6mm
4” 101.6mm
4” 101.6mm
5” 127mm
5” 127mm
5” 127mm
5” 127mm
A
B
75 65
75 65
75 65
75 65
84 65
84 65
84 65
84 65
100 65
100 65
100 65
100 65
110 65
110 65
110 65
110 65
100 65
100 65
100 65
100 65
95 65
95 65
95 65
95 65
100 65
100 65
100 65
100 65
60.3 65
60.3 65
60.3 65
60.3 65
100 65
100 65
100 65
100 65
130 75
130 75
130 75
130 75
115 75
115 75
115 75
115 75
165 75
165 75
165 75
165 75
200 90
200 90
200 90
200 90
250 110
250 110
250 110
250 110
R
60
60
60
60
75
75
75
75
100
100
100
100
75
75
75
75
100
100
100
100
110
110
110
110
110
110
110
110
100
100
100
100
130
130
130
130
110
110
110
110
160
160
160
160
160
160
160
160
220
220
220
220
285
285
285
285
V
Part No.
30 (U023830)
45 (U023845)
60 (U023860)
90 (U023890)
30 (U024230)
45 (U024245)
60 (U024260)
90 (U024290)
30 (U024530)
45 (U024545)
60 (U024560)
90 (U024590)
30 (U024830)
45 (U024845)
60 (U024860)
90 ((U024890)
30 (U025130)
45 (U025145)
60 (U025160)
90 (U025190)
30 (U025430)
45 (U025445)
60 (U025460)
90 (U025490)
30 (U025730)
45 (U025745)
60 (U025760)
90 (U025790)
30 (U026030)
45 (U026045)
60 (U026060)
90 (U026090)
30 (U026330)
45 (U026345)
60 (U026360)
90 (U026390)
30 (U027030)
45 (U027045)
60 (U027060)
90 (U027090)
30 (U027630)
45 (U027645)
60 (U027660)
90 (U027690)
30 (U028930)
45 (U028945)
60 (U028960)
90 (U028990)
30 (U020230)
45 (U020245)
60 (U020260)
90 (U020290)
30 (U022730)
45 (U022745)
60 (U022760)
90 (U022790)
Mild Stainless*
£7.69
£10.54
£7.69
£11.50
£7.69
£12.44
£8.63
£13.40
£7.70
£14.24
£8.44
£14.70
£8.78
£14.83
£9.58
£16.27
£7.70
£14.24
£8.44
£14.70
£8.78
£14.70
£9.58
£17.17
£8.20
£15.51
£8.92
£15.51
£9.50
£16.27
£10.78
£18.56
£8.20
£15.51
£8.92
£15.51
£9.50
£16.27
£10.78
£18.80
£17.76
£18.79
£19.38
£20.16
£19.65
£19.65
£20.83
£22.18
£19.65
£19.65
£20.83
£22.18
£13.36
£19.65
£14.11
£19.65
£14.67
£20.83
£16.15
£22.18
£25.64
£26.58
£29.90
£32.14
£17.46
£28.64
£17.92
£28.64
£18.74
£31.26
£20.24
£32.52
£27.88
£41.58
£28.87
£41.67
£29.52
£43.83
£31.42
£44.93
£39.48
£61.41
£41.67
£66.16
£46.06
£74.14
£50.45
£81.34
£70.17 £105.20
£74.56 £117.15
£81.14 £130.72
£86.60 £148.29
from
B
OD1
EXHAUSTS •
Straight Lengths
9
£16.27
C
A
mm
48
2”
mm
mm
6
2.5”
60
73
3”
from
£8.92
180 Bends
9 A(O/D)
B
Decibel Insert
Place inside a minimum pipe run of
300mm for effective sound damping.
6 Dia
m
m
m
85
2
0m
28
Part No.
(U935130)
(U936330)
(U937630)
2”
2.5”
3”
m
0m
29
1.5”
1.75”
2”
2.36”
2.5”
3”
Price
£8.92
£21.52
£30.42
120
150
170
200
200
240
C
76
160
160
160
160
160
CLR
60
75
85
100
100
120
Part No.
(U023818)
(U024518)
(U025118)
(U026018)
(U026318)
(U027618)
Mild Stainless *
£16.27
£21.06
£18.30
£23.47
£20.80
£25.92
£30.08
£26.72
£32.37
£34.19
£45.33
No swaged end. CLR = Centre Line Radius 42mm and 48mm Options with
Single Flare available. Please call or go online for more details
7 Dia
1.75”
2”
2.5”
3”
3.5”
4”
4”
5”
Tight 90° Bend
10 O/D R
Part No.
from
Stepped Sleeves
7
A B C D
E
F G
Part No. Aluminised Stainless*
160 52 49 59 45 40 37 (U074500)
£8.18
£13.02
160 42 53 65 50.8 48 41 (U075115)
£9.50
£13.03
190 60 75 55 63.5 57 50.8 (U076320)
£10.78
£14.37
195 68 60 67 76 67 63.5 (U077600)
£14.67
£20.16
195 65 65 65 89 80 76 (U078900)
£18.06
£30.09
140 - - - 102.1 76 (070276)
£33.53
200 - 80 100 101.6 89 - (U070200)
£30.71
£35.92
270 - 100 125 127 101.6 - (U072700)
£44.66
£51.03
ALL PRICES PLUS VAT
£8.18
F G
E
B
C
A
D
1.5”
1.75”
2”
2.25”
2.5”
2.75”
3”
3.5”
4”
5”
42
48
52
58
63
62
62
76
75
100
(U033890)
(U034590)
(U035190)
(U035790)
(U036390)
(U037090)
(U037690)
(U038990)
(U030290)
(U032790)
Mild Stainless*
£9.86
£16.34
£9.86
£16.34
£11.37
£17.85
£21.83
£13.63
£23.03
£27.04
£16.66
£28.26
£20.83
£31.96
£30.71
£35.09
£48.23
£64.87
from
10
£9.86
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