View Full Version : GM Engine & Exhaust Performance



  1. 4.8 ls1 intake swap questions
  2. AC Delco spark plug wires
  3. free upgrades
  4. Valvetrain ticking...bout to set the B*TCH on fire!!!!
  5. TBYRNE's Double Online Discount Special Returns!!!
  6. X-pipe vs. H-pipe
  7. A wealth of information on Gen 3 engines and their differences
  8. Banks Ram Air Intake!!!!!
  9. Magnaflow #12568, 2.5" dual in/out, internal x-pipe, how loud?
  10. too little backpressure w/ cutout?
  11. engine out
  12. Back pressure
  13. smoke and knocking
  14. Smoke... This can't be good...
  15. Let me know-Long tube group purchase.
  16. New goodies are here :)
  17. 24.3mpg!!!!!!!! I cant believe it myself........
  18. best mod for $500
  19. Looking for 8.1 liter injectors
  20. opinions on new truck
  21. LT1 fans on the way, wiring help inside
  22. Two problems with a/c
  23. Slp
  24. Y pipe fabrication "challenges"??
  25. Cutout?
  26. What performance numbers and 1/4 can i forsee?
  27. Need pacesetter long tube to 2 1/2 true dual pics
  28. 8.1l
  29. 6.0 shiping
  30. What do you guys think?
  31. Exhaust selection
  32. Desktop Dyno
  33. difference from 6.0 to 6.0 H.0.
  34. Question about gutting cats
  35. Katech Oil Pressure
  36. OK, explain injectors
  37. Wuts a 4.8L sound like?
  38. Pacesetter collectors at different angles?
  39. safely converting from 87 to 93 octane fuel.
  40. Ac Problem ???
  41. Help me choose a cam!!!
  42. Where can I find?
  43. strokers/injector size
  44. My headers hit the frame
  45. Moregrip's Cats - now available!
  46. Got truck cranked, went on test drive, walked home
  47. more header questions
  48. Exhuast Sound change with headers?
  49. o2 sensor extension wire
  50. muffler choice
  51. 5.3 Manifold Question?
  52. Need help with cam selection for 382
  53. 4" in/out Magnaflow's?
  54. Anyone using Non-stock Header gaskets? SCE? Percy's?
  55. Headers/Intake for 95 Silverado. Help
  56. Check this out
  57. I *may* have cured my false knock....
  58. where to buy 6.0L for cheap
  59. Katech Oil Pump. Ls6 Type??
  60. How Many Horses?
  61. New magnaflow is on
  62. ls1 wiring instructions
  63. 4.3 vs 5.3
  64. hp ratings on intakes
  65. everything you want to know about the 02 sencor
  66. AirRaid MIT or True flow?
  67. header gaskets
  68. WB guage with full dual exhaust?
  69. how to drain radiator fluid on a 2004??
  70. no fuel filter fuel systems in new trucks
  71. GTO setup in a 99 Silverado
  72. Exhaust Tips
  73. bypass
  74. ZO6 O2 sensors
  75. How much lift is too much?
  76. Corsa catback.... Is it worth the $$$$$???
  77. Buying a used cam?
  78. Tomorrow is cam day!!!
  79. lq4 6.0 long tube question
  80. AC Compressor Belt Lenght?
  81. help
  82. What should I install next???
  83. Anybody running...
  84. 5.3 question
  85. Hedman Hedders???
  86. I know ill get flak for this.......
  87. Radiator/Coolant Question
  88. Best headers
  89. stock flange
  90. ...And the cam is in...
  91. pulling 5.3
  92. Belt tensioner
  93. ?difference?
  94. 383 is in and Home!!!!!!!!!
  95. Max boost on 10.3:1 CR ??
  96. Anyone with Volant CAI and ram air scoop (5.3L)?
  97. guess this sound!!!!!
  98. Header install starting now
  99. Injector Selection
  100. Volant, B&B TriFlo and Dynatech Products On Sale!
  101. Belt for ASP pulley and 145 amp alt?
  102. lt1 fan swap
  103. I was just wondering...
  104. just installed my ps lt's
  105. B&B Triflow exhaust... Anyone used it?
  106. Just Ordered A 6.0
  107. YE-HA- Finally ordering my long tubes
  108. new guy ready for mods
  109. How loud will this be?
  110. got a 6.0
  111. Gaskets for headers!!!!
  112. Going from 5 to 6 speed on 88-95 silverados?
  113. Schematic for TAC Module
  114. need some help on a flow 40
  115. Pacesetter LTs
  116. e fans
  117. drive by wire swap
  118. More problems need header recommendations.
  119. Just Ordered Some LT's
  120. Engine Swap
  121. n2o users
  122. Starter trouble. Need quick answer
  123. next mods
  124. New 5.3L crate engine
  125. 5.3 heads on a 6.0
  126. Catch Can results
  127. What collector sice for muffler?
  128. Thank God Its Fixed!!
  129. K&N drop-in and a MIT worth it?
  130. what to do with my exhaust?
  131. exhaust tip question??
  132. ?? on shift points for 4.8
  133. Dynomax Ultra Flo Question--'06 Silverado
  134. dual 3'' exhaust questions
  135. drone with hooker aerochamber in stock place
  136. will stock LS1 Pushrods work?
  137. What do you think about this?
  138. dyno run
  139. Corsa compared to Magnaflow Pics and Video
  140. stock 5.3 tail pipe section ???
  141. How well have your coated headers held up?
  142. E-Fans cool enough??
  143. Exhaust complete, with cats (pics and video)
  144. Best electric cutouts
  145. thermostat ?'s
  146. Any real advantages with the 706 casting head
  147. FLT 65E and Pacesetters installed
  148. Damn header bolt
  149. Best mods that WILL NOT hurt fuel economy...
  150. take a look at this
  151. e- fan radiator
  152. Guess my HP/TQ numbers
  153. Where to get compression test done?
  154. Dynomax Bullet
  155. Steering shaft hitting Pacesetter headers
  156. has anyone got this bolt out?
  157. would this work
  158. how to unhook exhaust???
  159. running rich after header install
  160. couple of L31 questions
  161. Tell me if i need a new exhaust guy... lol
  162. catback or just muffler?
  163. temp setting for e-fans
  164. minimal upgardes do they help
  165. New engine & heads burning oil badly :(
  166. locking bolts
  167. Installed S&B Intake today
  168. Flowmaster sound
  169. K&N Recharge
  170. New cam is in..
  171. Stage 5 STS WOW
  172. Someone put evil thoughts in my head....
  173. LS! into a dinosour
  174. Magnaflow clips please!
  175. Fuel pump making noise...
  176. Cam for TB-SS; 6.0L
  177. A slight exhaust fitment problem
  178. Pacesetter long tubes and ORY pipe installed
  179. Help with My Silverado and Sierra
  180. **Many Truck Products On Sale At TBYRNE Motorsports**
  181. Sale on PaceSetter Products!!!
  182. i want a new motor. will this fit???
  183. got everything running good with pacesetters
  184. Any benefit going to a ORY?
  185. Almost there...
  186. removing evap
  187. LS1 in a 95 S10
  188. cam for pulling a trailer?
  189. Which Headers for towing?
  190. Need Some Help
  191. header reducers.
  192. forged 5.3L
  193. Performance Gain w/o AC
  194. 6.0 powerdyne
  195. wideband o2
  196. Truck dosn't like gas anymore..... WTF
  197. Here it is neversatisfied02
  198. hesitation
  199. Not sure what cam i'm looking for....????
  200. Gutting cats
  201. Magnaflow Exhaust Group Purchase!
  202. Suburban oil leak question
  203. guys with 05+ 1500's, inside please
  204. LS2 Intake on truck block - accessory drive clearance?
  205. Met Bob Lutz yesterday..
  206. Where to find part for remote oil filters?
  207. Oil Cooler Fittings on the Radiator, What size?
  208. couple of ?s
  209. 6.0 Question...
  210. Absolute Speed 5.3L Heads on LQ4
  211. Thinking Oif Getting Some Longtubes
  212. no lose in bottom end trq from hooker muffler right?
  213. L92 intake?
  214. L33 D-shaped Ex port into round header openings=good or bad?
  215. Thermostat
  216. people with pacesetter LT's
  217. torque management on 5spd
  218. what cam for a 2000 burb??
  219. Spin-Tech Exhaust. clip included.
  220. Lotsa miles
  221. Used Truck Unkown Mods.
  222. *HELP ASAP* E-fans problem
  223. got a tick
  224. FYI for converting your stock fuel line
  225. Mr. Brown visited today
  226. fouled o2's
  227. 2000 silverado 5.3 Gas Milage
  228. those w/ swapped LQ4s or LQ9s
  229. LS1 swap questions
  230. fuel pump replacement question
  231. Reasonably Priced Place to buy GT2-3 Cam & Valvetrain Components
  232. 6.0 intake on ls1 power loss
  233. question on cam/ clearance
  234. Pacesetter Longtubes and ORY gains?
  235. What cam should I get?
  236. Best mod for $5,000?
  237. Cam questions
  238. Oil psi, Lingfelter pump.
  239. fuel lines
  240. stock cam questions. CHIME IN
  241. Just Installed Holley #12-914 In-Tank Pump
  242. Stock 8.1 injector?
  243. 6.0L or turbo?
  244. will this cam be good
  245. Dual 2.5" to single 3" or dual 3" to single 3"
  246. LQ9 6.0 n/a CAM?
  247. Dyno #'s...(with Air:Fuel Ratio prob...)
  248. Westers Custom Tuning On Sale!
  249. list of engine details...
  250. Need opnions on intake change.
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