11-22-2005, 09:37 PM
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| Supreme Member
Join Date: Sep 2003 Location: Cypress, California
Posts: 6,324
Car: 1989 GTA Engine: 369 TPI Transmission: 4L60E Axle/Gears: 3.70 Nine Bolt | I have the Mufflex 3 1/2" cat back system and the Hooker 3 1/2" Aero Chamber mufflex and it fit perfectly. I have since gone to the Magnaflow 3 1/2" muffler because I like the straight through style better and it is quieter.
By the way I used a Flowmaster Y-Pipe to tie the Mufflex cat back to my dual cats.
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Best of 11.57 and 115.73 mph(1811DA). Motor: Dart SHP block 368ci, AFR Comp 195cc heads, 11.1:1 comp, highly modified TPI 1st style SLP runners, moded GM plenum and First Injection TPI intake manifold, Mike Jones 3/4 race cam, Yank PT4000 converter, Dyno Don 1 3/4" shorty headers, Dyno Don custom exhaust, custom cold air intake, AS&M monoblade throttle body. Meziere electric water pump. Mufflex 3.5" exhaust catback. Magnaflow 3.5" muffler#12909. Kevin91Z Tune. 4L60E installed. Now 420RWHP, 417RWTQ with new motor. |
 
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