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SVTPerformance's Chain of Restaurants
A Taste of Home
Mid-Atlantic Cobra Association
VW's at the Sonic
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<blockquote data-quote="FHATTCATT" data-source="post: 6671990" data-attributes="member: 51587"><p>On our 02 GTI which also had the 1.8 Turbo engine we had a catback exhaust put on, a cold air intake, the computer tweaked by EIP Tuning (I think they are no longer in business I hear due to being mismanaged), a diverter valve (similar to a blow off valve but some air is recycled back into the system- doesn't give the big blowoff whoosh, but is better for performance, fuel economy, and the engine idles better), and there is somekind of other valve that was replaced on the engine where we either went from an "H" valve to a "J" valve or vice versa. Doing all that woke the car up a bit. About 6 months later we then got the exhaust downpipe which comes off the turbo replaced and noticed as much of an increase in performance as we did with all the aforementioned mods. When the old downpipe came out I saw that it is a little thing to begin with and the bend that is in it constricts the pipe down to the size of most people's thumbs. So, if the downpipe hasn't been replaced, he might want to consider doing so.</p><p></p><p>[ATTACH=full]860836[/ATTACH]</p><p></p><p>[ATTACH=full]860837[/ATTACH]</p></blockquote><p></p>
[QUOTE="FHATTCATT, post: 6671990, member: 51587"] On our 02 GTI which also had the 1.8 Turbo engine we had a catback exhaust put on, a cold air intake, the computer tweaked by EIP Tuning (I think they are no longer in business I hear due to being mismanaged), a diverter valve (similar to a blow off valve but some air is recycled back into the system- doesn't give the big blowoff whoosh, but is better for performance, fuel economy, and the engine idles better), and there is somekind of other valve that was replaced on the engine where we either went from an "H" valve to a "J" valve or vice versa. Doing all that woke the car up a bit. About 6 months later we then got the exhaust downpipe which comes off the turbo replaced and noticed as much of an increase in performance as we did with all the aforementioned mods. When the old downpipe came out I saw that it is a little thing to begin with and the bend that is in it constricts the pipe down to the size of most people's thumbs. So, if the downpipe hasn't been replaced, he might want to consider doing so. [ATTACH=full]860836[/ATTACH] [ATTACH=full]860837[/ATTACH] [/QUOTE]
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