This is a discussion on Horsepower gain? within the Firebird / WS6 forums, part of the Vehicle Specific category; 98 T/A from stock manifolds with flowmaster muffler to heddman longtube headers 1 5/8 ptimary 3 in. collectors, 3 in. ...
02-24-2009, 02:15 PM #1
- Join Date
- Feb 2009
- Broken Arrow,OK
- 1998 Trans Am
98 T/A from stock manifolds with flowmaster muffler to heddman longtube headers 1 5/8 ptimary 3 in. collectors, 3 in. collector y pipe into magnaflow high flow cat, into slp loudmouth 2 resonator then into a y pipe and out the back with tips... 3 IN. from the headers back with 3 1/2 in. tips.
HOW MUCH HORSEPOWER CAN I EXPECT TO GAIN?
02-24-2009, 02:45 PM #2
stock cam? headers usually wake up the car with a cam designed to work with a high flow exhaust.
02-24-2009, 04:07 PM #3
20-30 HP to the rear wheels and maybe more with a tune
1999 A4 WS6 Pewter, Hooker Long Tube Headers ,GMMG Catback Exhaust, QTP Off-road catted y-pipe, K&N FIPK Intake, GM 3.73's, Spohn Torque Arm,BMR LCA's Dyno Tune by PBJ.
02-24-2009, 07:04 PM #41998 Trans Am 85k miles.
Bolt ons, MS3 113LSA cam, Circle D Stall, Tune, Modified WS6 style hood, Full Suspension, 6000k HID's, Clear Side Markers w/ Leds, Led 3rd Brake Light and 18" AR Staggered Killer Wheels w/ BFG KDW NT's.- Weekend Toy/DD
02 Trailblazer -Sold
09 Ram 1500 CC - Sold
09 Cobalt SS/TC - Sold
13 ram 1500 LoneStar CC 4x4 - Magnaflow, K&N,and more to come-DD/Toy
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