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Exhaust - Milltek Race Cats & Non-resonated Cat Back

Installed Milltek Cat-Back Non-Resonated Hi-flow Exhaust in February 2004. Milltek Hi-flow 200-cell Race Cat added in April 2006.

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Milltek non-resonated high flow exhuast.
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Milltek non-resonated high flow exhu…
 
new tt100 tip 640
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new tt100 tip 640
 
OE exhaust on right compared to Milltek on left.
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OE exhaust on right compared to Mill…
 
Close up of tips.  Milltek on left and OE exhaust on right.
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Close up of tips. Milltek on left a…
 
OEM Exhaust Clamp
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OEM Exhaust Clamp
 
A "must have" tool used to turn the center pipe.  This is critical to get the exhaust tips properly lined up.
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A "must have" tool used to turn the …
 
TT 225 hi-flo race cats
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TT 225 hi-flo race cats
 
TT 225 hi-flo race cats closeup
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TT 225 hi-flo race cats closeup
 
200 Cell Milltek Race Cats
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200 Cell Milltek Race Cats
 
Race Cat Gaskets
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Race Cat Gaskets
 
Gasket.  Part number is 8L9-253-232-A for my 2002 225.
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Gasket. Part number is 8L9-253-232-…
 
Audi OE Part# 8N0-253-463-A
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Audi OE Part# 8N0-253-463-A
 
ETKA diagram showing center pipe bracket.
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ETKA diagram showing center pipe bra…
 
Center bracket (8N0-253-463-A) and rubber hanger (1J0-253-147-C).
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Center bracket (8N0-253-463-A) and r…
 
DSC02937
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DSC02937
 
DSC02939
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DSC02939
 
OE cats with bottom heatshield removed.
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OE cats with bottom heatshield remov…
 
Closeup of OE cat after bottom heatshield removed.
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Closeup of OE cat after bottom heats…
 
Underside (side facing down) comparison of OE cats on bottom and Milltek 200-cell race cats on top.
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Underside (side facing down) compari…
 
Top (side facing up) comparison of OE cats on bottom and Milltek race cats on top.
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Top (side facing up) comparison of O…
 
Comparison of OE cats and Milltek race cats.
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Comparison of OE cats and Milltek ra…
 
OE Cat removed.
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OE Cat removed.
 
Heat shield on top of race cats installed.  Bottom shield to be installed after cat is mounted.
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Heat shield on top of race cats inst…
 
Heat shield on top of 200-cell race cats installed.
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Heat shield on top of 200-cell race …
 
Cats installed.  13-mm nuts torqued at Bentley Spec of 25Nm using a 13-mm Flex Socket.
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Cats installed. 13-mm nuts torqued …
 
Torque wrench with 13-mm flex socket to tighten nuts.
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Torque wrench with 13-mm flex socket…
 
Race Cat installed.
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Race Cat installed.
 
13-mm Flex Socket w/ 3/8" drive.
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13-mm Flex Socket w/ 3/8" drive.
 
DSC03023
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DSC03023
 
DSC03033
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DSC03033
 
DSC03034
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DSC03034
 
DSC03036
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DSC03036
 
Milltek Cat-Back Non-Resonated Hi-flow Exhaust (used 5,600 miles) 100mm Tips
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Milltek Cat-Back Non-Resonated Hi-fl…
 
IMG 1117
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IMG 1117
 
IMG 1118
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IMG 1118
 
Left Side Tip
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Left Side Tip
 
Right Side Tip
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Right Side Tip
 
IMG 1127
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IMG 1127
 
IMG 1128
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IMG 1128
 
IMG 1130
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IMG 1130
 
Center Hanger
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Center Hanger
 
IMG 1138
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IMG 1138
 
IMG 1292
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IMG 1292
 
IMG 1293
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IMG 1293
 
IMG 1294
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IMG 1294
 
IMG 1295
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IMG 1295
 
IMG 1296
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IMG 1296
 
IMG 1297
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IMG 1297