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View Full Version : techtonics 2.5" hfc.... mates to stock exhaust



tamadrumr88
05-17-2007, 03:47 PM
just as title states, i picked up a new 2.5" techtonics hfc to see if that was my problem...... i really dont want to spend the money on the matching downpipe, and then pay to have that mated to the stock exhaust somehow.


anyone know for sure that the techtonics 2.5" hfc will bolt DIRECTLY in place of my stock cat, without any modification or welded necessary to the *STOCK* downpipe

-- the stock downpipe is only 2.17" so i can only assume that this is not going to work [:(]





opinions on what i could do without wasting a ton of cash? [up]

Poopie
05-17-2007, 04:01 PM
where did you get the cat? is it a universal cat or one designed for the 1.8t?

tamadrumr88
05-17-2007, 04:06 PM
its the one specifically for the b5 1.8t... dont worry, i didnt pay $295 for it [up]

http://techtonicstuning.com/showpart.asp?partnum=253.167T

Poopie
05-17-2007, 04:33 PM
it will fit

tamadrumr88
05-17-2007, 08:57 PM
it will fit

i know itll fit to the stock exhaust manifold, im just questioning as to whether itll bolt exactly in place of the stock cat without needing a larger downpipe.... i want to make sure this will all work before i get under the car, rip everything out, and replace the cat, before realizing that the stock downpipe wont bolt up correctly (after all, 2.5" bottle-necking down to 2.17" isnt the smoothest of transitions)

98a4
05-18-2007, 11:28 AM
Ever think of calling TT?

Poopie
05-18-2007, 11:45 AM
You shouldn't have a problem with that cat. Why not pull the cat out and inspect it? It should only take 1 or 2 hours instead of buying parts you might not need.

salz2135
05-18-2007, 11:53 AM
the TT HFC will fit in place of the OEM cat. I am 100% sure.

tamadrumr88
05-18-2007, 12:34 PM
the TT HFC will fit in place of the OEM cat. I am 100% sure.

thank you [up] that's all i was looking for

UN-PIMP-Z-A4
05-18-2007, 12:40 PM
it will fit

i guess some one didnt see this posted above... [confused] LOL

tamadrumr88
05-18-2007, 05:19 PM
youre a riot. i can stuff a GT35 in there too but it wont just bolt up straight up will it? i wanted to hear from someone who actually knew first hand or has seen it done

UN-PIMP-Z-A4
05-18-2007, 06:30 PM
uh huh... sorry sir for offending you...