displaying posts 1 to 5 of 5

Author Subject: New Exhaust Project
turboblack

Junior User

Location: San Lorenzo Isontino

Registered: 04 Mar 2010

Posts: 84

Status: Offline

Post #1
Hi guys, next step for my 306 is an exhaust upgrade. At this time I'll have standard 4-1 manifold, a empty cat, a more free center box and the devil duplex final box. For the new exhaust I'll go for 4-2-1 manifold with 2,5" final bore size, a 200cell sport cat, and 2, or 3 small silentier box, full line in 2,5". What you think about that?

________________________________________

306cab 2.0 16v:
Wossner 12:1
45mm Jenvey
Piper 285H
6 Gearbox + Quaife LSD
406 Brembo
D2 Suspension
E-tech Strut Brace
Emerald K6 Ecu
Posted 12th Jun 2015 at 20:32
turboblack

Junior User

Location: San Lorenzo Isontino

Registered: 04 Mar 2010

Posts: 84

Status: Offline

Post #2
Anyone can say his opinion. Free to tell Smile

________________________________________

306cab 2.0 16v:
Wossner 12:1
45mm Jenvey
Piper 285H
6 Gearbox + Quaife LSD
406 Brembo
D2 Suspension
E-tech Strut Brace
Emerald K6 Ecu
Posted 23rd Jun 2015 at 22:33
demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline

Post #3
Any reason you're going with 2.5"? Is it needed for the amount of power you're making?

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Rallye Race Car
Posted 25th Jun 2015 at 09:02
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,822

Status: Offline

Post #4
all that goodness, then wasted with a duplex rear box?!

if the collector is 2.5", you probably want to go down to 2.25" for the last section.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 25th Jun 2015 at 10:31
turboblack

Junior User

Location: San Lorenzo Isontino

Registered: 04 Mar 2010

Posts: 84

Status: Offline

Post #5
Well, the duplex rear box is my "fault" but I love that exhaust exit type. Think about go full line in 2.5" because see supersprint make a complete exhaust for the Toyota gt86 (with similar specs to my engine in terms of power) with 2.5" full line with a top gain of 15hp (but I think you can see real 8-9hp from that).
Plus the mapper that configure my K6 (Italian tuner for elise-exige family) says to me that in his 1.8 K-series he use 2.25" exhaust line.

________________________________________

306cab 2.0 16v:
Wossner 12:1
45mm Jenvey
Piper 285H
6 Gearbox + Quaife LSD
406 Brembo
D2 Suspension
E-tech Strut Brace
Emerald K6 Ecu
Posted 30th Jun 2015 at 16:45

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