New exhaust needed any tips?
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Supreme Member

Joined: Aug 1999
Posts: 2,441
Likes: 1
From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
New exhaust needed any tips?
I have today TES headers, 2* 2,5" pipes to 2*3" high flow cat. then 3,5" interm.pipe to a 3,5" free flow muffler all in stainless steel. But I think it is to loud! Any tips on a good catback system that flows good and dont wake up the whole block when driving.
Thanks
/N.
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GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTR, !plenum, 52 TB, MSD 6AL, TPIS level V prom, Superior shift-kit and all the minor mods, a AFR 195 headed 383 in the works!! ready May 2001...
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)
Thanks
/N.
------------------
GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTR, !plenum, 52 TB, MSD 6AL, TPIS level V prom, Superior shift-kit and all the minor mods, a AFR 195 headed 383 in the works!! ready May 2001...
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)
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