H.P. gains from headers
Thread Starter
Racer
Joined: Jun 2004
Posts: 415
Likes: 0
From: new haven ct
H.P. gains from headers
I was wondering what experiences people had with different headers, did you feel any noticible power gains. I have an 02 with borla stingers, vararam, 6 spd, 3.42, with stock tune. Would i benefit a noticible amount. also i was looking at the TPIS headers just because of the decent price. Any info would be great, also other ideas for mods in the same price range, without opening up the engine. thanks
Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
I have QTP headers, and a very conservative tune. I picked up 25 HP at the wheels. It is definitely a noticable improvement. Blipping the throttle at 10 mph brings in an instant Traction Control Active message on the DIC 
Careful of wild HP claims, as the numbers can be tweaked about 10 HP on the dyno with the AFR by leaning the car out.
Careful of wild HP claims, as the numbers can be tweaked about 10 HP on the dyno with the AFR by leaning the car out.
Drifting
Joined: Sep 2000
Posts: 1,456
Likes: 5
From: Bothell WA
I've got TPIS headers. I'm not exactly sure how much horsepower I gained with just them. I do know that I definitely felt a power increase. You can see my sig for total power output with the list of mods I have. The headers definitely contributed a major portion of the increase. The TPIS headers fit well and I've had absolutely no problems with them. I do recommend them for people looking for a moderately priced set of headers.
- Mark
- Mark
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Race Director
Joined: Aug 2004
Posts: 14,639
Likes: 39
From: Winston-Salem North Carolina
St. Jude Donor '08-'09
370hp 368tq
bought the car with SLP long tube headers,Xpipe, cats, mufflers, and donaldson air box, dynoed 3 wks ago, as far as tune, was told it a little lean 
